Tuesday, 31 December 2013
Failures of Risk rating Agencies during the Global Financial Crisis
Wednesday, 30 October 2013
Call it Soccer or Football; Which League is the best League? Again!
Probably the third time that this question pop up in my blog.
Today’s one isn’t something I even thought about writing, instead today a
middle-of-the-road soccer fan asked me this question and I was so much
impressed with my response that I couldn’t just help but share it.
This young lad is an Arsenal fan and he asked me which
league is the best league to watch and I said to him; “it depends on what you mean by best, if you are looking for parity
in a top league, then look no further than the Italian Serie A (pronounced
say-re-Aah). If however, you are looking for entertainment and competition then
check out the English Premier league, it is the most watched league in the
World. The Spanish league is great, except that Barcelona and Madrid set-up
teams to crush minnows, the Spanish league is all about Barcelona and Madrid, while
in the English Premier League Man Utd, Arsenal, Chelsea, Man City and arguably
Tottenham are all possible contenders for the title".
And yea it is not about how many people agree with that
response that impressed me, instead it was how representative that answer was
of me, the words just slide through my tongue off my mind. Those words are not
just your everyday pundit “carefully
worded qualifying statements”. In modern day slang, that was the real talk (Josh).
Peace out.
Tuesday, 23 July 2013
Why most surprising “Not Guilty” jury verdicts happen; understanding the system design
Just two days ago I wrote a three page article about the George
Zimmerman trial where I talked so much about the jury and their unpopular
verdict, but I didn’t talk about how jury decisions are reached. I feel that I
owe it to myself & my audience to talk about how our justice system is designed
and how this is the cause of most “Not Guilty” verdicts.
When a person is accused of a crime and faces a trial, the
prosecution presents its case and the jury makes a decision based on the
evidence presented. The jury have two options to make a decision about the
defendant; “Guilty” or “Not Guilty”. There’re only two possible decisions;
convicting or acquitting the defendant.
There is a possibility of the jury making an error, because
the jury consist of people and people are fallible. In fact the jury can make
only two types of errors. Convicting an innocent person wrongly or acquitting a
guilty defendant. The question is which type of error is more serious? Because the
two errors are negatively related, an attempt to reduce one increases the probability
of committing the other.
Convicting an innocent person is considered (and I agree
with this) very serious in our justice system, as a result the system is
designed to make the chances of this type of error happening small. This is why
the system put the burden on the prosecution to proof the guilt, the defense
need not to proof anything. The judges instruct the jury to find the defendant
guilty only if there is “evidence beyond reasonable doubt”. Without enough
evidence, the jury must acquit the defendant even though there might be some
evidence of guilt.
Since the two errors are negatively related & our
justice system is arranged to minimize the probability of convicting innocent
people, then the probability of acquitting guilty people is relatively high.
Oliver Wendell Holmes, a US Supreme Court Justice, once said “Better to acquit
100 guilty men than convict one innocent one”.
This explains why most jury trials that the public think
otherwise end up in a “Not Guilty” verdict, it’s not because there is no
evidence of the defendant committing the crime, but it’s because there is just
not enough evidence to find him/her guilty of the crime. That’s why you never
hear the phrase “Found Innocent”, because we can never tell if a defendant is
actually innocent, all we can say is that the evidence is not enough to suggest
that they commit the crime.
So our justice system is designed to rather let more guilty
people walk free than wrongly convict one single person. This is a conscious choice
& we must live by the consequences of the choice, but I guess the question
is what the consequence of our next best alternative is? If you are the type
who supports the second alternative, then I suggest you watch the movie hurricane starring Denzel
Washington and based on a true story.
Friday, 19 July 2013
This whole “Zimmerman Trayvon Martin” case is a FARCE
The public outrage & dismay over the acquittal of George
Zimmermann for the murder of Trayvon Martin, a 17 year old Sanfield, FLORIDA
teenager is unprecedented in any case of its kind. While the public attention
is fixated on the absurd two word final verdict of the mis-informed jury, I
decided to take a step back to assess the Scenarios that lead to this
devastating outcome and the aftermath.
I came-up with one and only one conclusion; the title of
this article. From the Prosecution, the defense attorney, the testimonies, the
media and the Jury, the entire trial was a farce. How does each of these
parties play into what leads to a legitimate trial turning into a farce?
The prosecution break rule number one, they did what they
tell you not to do “Never bring a witness
to stand unless you are sure of what they are going to say”. The prosecution
brought in Chris Serino, the lead homicide investigator of the case and his
testimony helped the defense than it helped the prosecution, if it did help the
prosecution at all. This is a really weird act, since it is my understanding
that in Florida they have this depositions where the attorneys have the
opportunity to cross examine the witnesses before they go on stand in the
courtroom. If the prosecution couldn’t figure out that Mr Serino would say what
he said, then shame on them, if they did know he would say what he said and
still bring him to stand, shame on them. An entire book can be written about
the role of detective Serino in this whole trial, obviously this article is not
enough to discuss his role, but I will give a brief overview of him; He is
the person who recommended manslaughter charges against George Zimmerman and at
one point during his investigation he told Zimmerman, I quote: “Had you told this
child that you were neighbourhood watch & you were just wondering what the
hell he was doing when he came up to your car, you probably wouldn’t be here
right now”. But During his testimony detective Serino told the court
that he believe that Zimmerman was been truthful.
The ridiculous irresponsible knock knock joke made by the
defense Attorney Don West at the start of his cross examination of Rachel
Jeantel explains why I call the defense a joke, not to mention his irrational
and dubious remark about the prosecution; Calling the prosecution “A disgrace”
for pursuing the case, it’s an insult to the US Justice system to think that
trying such a case was disgrace. You got to be really stupid to even think that
any system will just believe, without trial in a story told by a man who has a
long history of violence & trouble with the law after shooting an innocent
unarmed teenager, and yep I just called Don west stupid, as a matter of fact if
it only takes what he did to win this case, then just any unversed criminal
lawyer could have won the case. I called Mr West a total joke because you
could easily tell his expressions were filled with hatred and anger for no good
reason.
With regards to the testimonies and specifically with the
testimony of detective Chris Serino, something didn’t click to me. Here is the
man who recommended a man slaughter charge against Zimmerman after
investigating into the case and then he testify to the absolute opposite of that
by saying that Zimmerman was telling the truth, why would you recommend a
manslaughter charge when he was telling the truth all this time? I mean if he
killed Trayvon Martin in act of self defense, then why are we here? The
prosecution brought him in and he helped the defense market its case to the jury.
Chris Serino concluded that Zimmerman was either telling the truth or he was a
pathological liar, to Mr Serino I say “You’re either an absolute joke or you’re
a pathologically inconsistent liar”. The fact that the defense counsel
proceeded to ask him whether he has any insight from his investigation that Mr
Zimmerman is a pathological liar give me the impression that the latter is the
truth. The defense must have a pretty damn good idea what his response was
going to be before taking the risk of asking him that question, my own question
is how on earth didn’t the prosecution figured this out during the deposition?
There can be only one possible answer; He must be a pathologically inconsistent
liar.
These whole episodes of farce lead us to the most important
group in the case, the people who made the call that George Zimmerman is free
of the charges of murdering Trayvon Martin. The jury took 16 hours to come up
with just two words, “NOT GUILTY” to close the case, 16 hours and they wouldn’t
even say what wasn’t he not found guilty of, isn’t that creepy? I mean come on
after 16 hours you ought to come up with something better. I know that the
final decision comes down to whether he was found guilty or not, but in a case
of this magnitude and the time they took to reach their publicly unpopular
verdict, the jury have the moral responsibility of explaining to the public and
the family of the victim whether the verdict was reached by unanimous or
majority decision or perhaps to explain whether they haven’t just found the
accused guilty of the “Murder” & “manslaughter" charge or they found him
absolutely “NOT GUILTY”.
But if anyone think race haven’t played any role in the
final verdict of the jury, then you definitely need to go right back to
Kindergarten, yep you definitely have the brain of a two year old. Its obvious
Zimmerman racially profiled Trayvon Martin, but there is not just enough
evidence to suggest that his murder was racially motivated, it’s a tough call
to say Zimmerman just killed Trayvon because of his race, who knows? He might
just be another monster who should pay for the price of his actions regardless
of the race of Trayvon. My theory though is that the final verdict of the case
would’ve been different if the positions were swapped. I must say that I’m
person who doesn’t let himself to be limited by this race issue, but we have to
tell the truth and the best way to solve a problem is to discuss it, we cannot
deceive ourselves that something doesn’t exist, when there is clear evidence
that it does, this will just escalate the problem if anything. We cannot just
let innocent kids go through what Trayvon Martin went through whether they are
Black, White, Hispanic, Latino, Asian or Native American, with the perpetrators
walking away free.
And let me make it clear that I’m not suggesting that the
jury verdict was racially motivated; I honestly am not. What I think however,
is that they let their perceptions, prejudices and stereotypes take the best of
their judgement. I’m of the believe that the jury would have reached a
different verdict if they just forgot about who gave what testimony or forgot
about that character that the defense have made Trayvon Martin I.e. growing /smoking
Marijuana, kicked out of school or what not. I think the jury found it conveniently easy to
believe in some witnesses than others, for example Rachel Jeantel, She
represented her true self during her testimony, she act the way she would in
everyday real life scenario you can tell, what people forget to remember is that
cultural and racial barriers/differences exist and you will be surprised to find
out how many grown-ups are out there who have no idea that there is a grey part
to life where most people live as opposed to their perceived “Black &
White” categorization. To the jury the tone of her voice, her language of
expression, her body language or her outfit may represent an unreliable/irresponsible
witness, but it’s her spoken words that should matter. Stereotypes exist &
sometimes we all get caught up by this judgemental act without even realizing
it.
I have no doubt or whatsoever that had the jury put
themselves in Zimmerman’s position from the moment of the 911 call to the
shooting & killing of Trayvon Martin, they wouldn’t have found him NOT
GUILTY. If the jury had asked them selves what would they have done if Trayvon
Martin had attacked them as Zimmerman claimed and they‘re as big as George
Zimmerman, I’m pretty sure their actions wouldn’t include reaching for their
gun. Zimmerman could have easily stepped back and avoid any physical contact
with Trayvon the moment he realised that he was unarmed and innocent, but he
didn’t because perhaps he knew he had a gun hidden that Trayvon didn’t knew
about. The reality is that, we all know even if Trayvon had indeed attacked Zimmerman,
he wouldn’t have done this had he known Zimmerman was armed. It doesn’t take a
genius to tell that Zimmerman would have escaped from the altercation with
Trayvon without any life threatening injuries if he wasn’t armed with a gun, he
definitely would with his size compared to Trayvon’s. As a matter of fact he
could‘ve avoided the whole altercation by telling Trayvon that he was a
neighbourhood watch & just thought he looked suspicious. I’m pretty sure
anyone of the six Jurors wouldn’t have got into a power struggle with Trayvon
if he looked as suspicious as Zimmerman had claimed to the 911 operator, why
would Zimmerman do it then? He must’ve known something that we all didn’t know
& I guess will never know.
To add salt to injury, the media reaction after the jury
verdict was ridiculous, it was a total joke to watch CNN and see the type of
ill-informed people who were given TV space. People like Robert Zimmerman become
a common face in America for the wrong stupid reasons, a guy who doesn’t know
what he is talking about for one reason and secondly was just instigating
public feud. Robert Zimmerman if he really cares should’ve been with his
brother in the courtroom in Florida when the verdict was given rather than
talking gibberish at some TV interviews in NY. He made some really horrendous
comments & remarks that were just utter and blatant lies, like saying to
Piers Morgan, I quote; “Trayvon had plans
for George that night” , I mean isn’t that an insult to the intelligence of
the audience? The evidence is out there that the kid was followed while walking
home. He Robert Zimmerman told Don Lemon that he will like to understand what
make people as angry as Trayvon was, to this I respond; He should first try to
understand what makes people as stupid as Zimmerman was. I’m not taking sides
here but let’s face it; Robert Zimmerman lacks the moral to give interviews to
a global audience.
It irritates me when CNN vaunt about bringing some expert
opinion to the audience after the commercial and next thing you know people
like Buck Davis are on live TV, the guy who have no clue about the topic in
discussion. Buck Davis is another big idiot; the guy thinks George Zimmerman
had no idea about the race of Trayvon Martin when the 911 call evidence was all
over the news, are you kidding me? Even the anchorman Don Lemon had to remind
him that the 911 call was there for everyone to see, after which he had to
change his story. When the story was about Trayvon Martin, he brought in how an
African American was murdered in Chicago for refusing to join a gang; again the
host had to remind him that was a different case and not the focus of the discussion,
what a joke! People like Buck Davis should just save themselves the embarrassment
and keep their opinions to themselves, but be it Buck Davis or Robert
Zimmerman, blame it on the people who give them the opportunity to air their
ill-informed opinions to the World.
Call me a sceptic or a cynic if you like, but for me the
dots just didn’t connect in the whole Zimmerman trial and unless the missing
dots are found, the Trayvon Martin murder will not change a thing, much like how
the Connecticut, New Town shooting didn’t change a thing about America’s gun
laws. Just two or less weeks of breaking news headline or a top story,
whatever you call it.
Thursday, 2 May 2013
Fixed Exchange rate systems; An Art of Mastery, Credibility or Positive expectations?
A discussion of fixed exchange rate system may sound outdated
in an age when Financial news headlines are regularly dominated by sharp
fluctuations in the exchange rate in major developed countries. But fixed
exchange rate system is important for it is the first exchange rate system the
World has seen, however it is not the importance of fixed exchange rate system
that I intend to discuss today, instead it is the nature in which a fixed
exchange system is managed that caught my attention.
Why is Hong Kong and more recently China doing great under a
fixed exchange rate system, but Argentina, Turkey, Brazil and Mexico were
forced to abandon the system after an unsuccessful trial? To keep an exchange
rate fixed a central bank must always be willing to trade currencies at the
fixed exchange rate. In it’s simplest term a fixed exchange rate means the
Central bank must be willing to buy all the amount of its currency the market wants
to sell and at the same time be willing to sell all the amount of it’s currency
the markets wants to buy. Sounds complicated right? Well that’s what leads me
to the topic of this blog, are central banks with more intelligent Economists
more likely to be successful with managing a fixed exchange?
Given what it takes to keep an exchange rate constant
infinitely, it is tempting to say that it requires a mastery of an Economic
understanding where the Central banks policy makers have to be ahead of the
market to keep the rate fixed. This was the view I had, but then I still had
some questions about this ideology, how about if the market doesn't believe
that the Central bank will keep the currency fixed? More specifically how about
if Investors believing that the country will depreciate its currency starts
dumping the currency for foreign currency in an effort to make profit out of
nothing, A phenomenon known as “Arbitrage”, to Understand this suppose you are
holding 100 Argentinean Peso currently fixed at $1=100 peso, but you believe
that due to Argentina’s Balance of payment problems it will depreciate it’s
currency to $1=200 peso. Now if you sell you current 100 peso for dollars you
get $1, if the Central bank of Argentina go ahead and depreciate the currency,
you can exchange your $1 back to pesos at $1=200 peso’s, a profit of 100 peso
out of nothing.
What is interesting about the above scenario? In the above
example for simplicity I used 100 pesos but in reality this could be in
Billions of pesos. I just jump to how people can profit from the central bank
devaluing the currency, but didn't exactly explain why would the central bank
devalue the currency, remember from our definition of the fixed exchange rate
system, the Central bank of Argentina have to be willing to buy all the Pesos
the investors are supplying with Dollars, now if everyone believes that The
central bank indeed will devalue the peso and start dumping it for dollars, as
this process continues the question is how much dollars can the Bank of Argentina
use to buy the pesos? The answer to this questions depend on how much dollars
the bank of Argentina have in reserves, at any rate such a process can only
continue for so long, because the Bank of Argentina doesn't print Dollar notes
and as such can only have so much of it. By the time the central bank runs out
of dollar reserves, it either has to devalue the currency or allow the exchange
rate to float freely, a devaluation occurs when a central bank still keeps the
exchange rate fixed but depreciate the fixed exchange rate (example from 100 peso
= $1 to 200 peso = $1).
The above scenario demonstrates what is known as a
“Speculative attack” or “Capital flight”, a situation where investors speculate
against the devaluation of a currency and start fleeing that currency for
foreign currency.
What causes speculative attacks or more generally currency
crises? Krugman, Obstfeld and Melitz (2012) noted that often because a
Government is following policies that are not consistent with maintaining a
fixed exchange rate system over the long term, they gave an example of a
central bank buying domestic Government bonds to allow the government to run
large fiscal deficits.
After taking a class in International finance and dedicating
so much time to understanding fixed exchange rate systems through research, I
have come to the conclusion that, a fixed exchange rate system requires well
informed Economist to work, however this is not the ultimate. The authority,
perhaps the Central bank overseeing the management of the fixed exchange rate
system has to be credible, and the public have to have belief in it,
expectations have to be positive, but then positive expectations are based on
credibility. If a central bank has a history of deviating away from its
announced policies (targets), what will make the public believe that it won’t
deviate this time?
It is of my belief that successful and unsuccessful Central
banks under fixed exchange rate regimes don’t have great differences in the
type of Economist tasked with managing the system; instead they do have great
differences in their “credibility” and the “expectations” of the public on their
future macro-economic policies.
Tuesday, 19 February 2013
Journalism in the age of social media
Facebook,
twitter! social networking sites that have re-defined news reporting and
journalism. Today journalist are more concerned about what they post on their
twitter accounts than what they 'read' to their audience in the main stream, my
use of the word ‘read’ is not accidental, for today I doubt the existence of
too many true ‘news reporters’. There are still a few true journalists out
there, but for the majority of them they are just Government press release
readers.
The
advent of twitter provides an alternative to the traditional mainstream news
reporting and Journalism, but the current state of it’s being used irritates
me. It’s absolutely stupid, irrational and illogical why an individual’s
twitter news feed should be of a great importance to the audience than the
mainstream news reporting, or perhaps ‘news reading’; thanks to their stupid
selfish campaign to gather followers on their personal twitter pages.
You
see I don’t have any problem with twitter or Journalists having twitter
accounts, but it becomes unfair when the people who pay their taxes to sustain
the operation of Corporations like BBC are coaxed into following their reporters
on twitter for the latest news updates. In fact at some point the BBC wanted to
force all its employees to have the BBC subscript in their twitter user names. Since
when has sitting in front of a camera and reporting news become so much less efficient than typing and posting a sentence on twitter.
Twitter
and other social networking sites are great innovations and they provide an
avalanche of opportunities for the media to reach the younger audience group,
but when what username I use becomes an important issue or when TV news
reporting is dominated by advertising campaigns for twitter following, then you
begin to wonder if the customer’s satisfaction is at heart.
It
is undoubtedly obvious that every journalist would want to be the first to
break important news, and of course the best way to do this is through their
twitter accounts, no wonder today most news we see in the mainstream media are
already trending or perhaps archived in twitter and Facebook. It’s this latter
selfish and stupid usage of the social media by journalists that irritates me,
not because I cannot have a twitter or a Facebook account, but because for
justice to the tax payer who cannot or doesn't wish to have a twitter account, for
s/he deserves much better than the current state of selfish social media news ‘reading’.
And yes news ‘reading’............again.
Wednesday, 9 January 2013
Spanish “La Liga: A league of two teams; Evidence from the FIFA/FIFApro World XI
I have said
this before and I will repeat it again; The Spanish football (Soccer) league is
a depiction of the Scottish premier league where Barcelona and Real Madrid
(Like Celtic and Rangers in Scotland) put teams together to humiliate minnows.
Now before
you start calling me out, I must reiterate that the Spanish league is a great
league and of course I know there are structurally 20 teams in it like in most
top leagues in Europe, but instead it’s the disparity in the Spanish league
between Barcelona and Real Madrid and the rest that led me to the title of this
article.
If you are a
follower of the game of football you probably already know that 10 of the
players in ‘2012 FIFA/FIFApro World XI’ are from Barcelona and Real Madrid. Technically
what this means is that the best player of each position in 2012 is selected to
form a team, call it the World’s best team if you like.
Since all of
the 11 players are from Spain, it is tempting to conclude that the Spanish
league is the best league in the World, but if you are reader of my blog you
are probably aware of my own thoughts on that, as a matter of fact it is not,
unless if your own definition of best is to almost always predict the
outcome of a game even before the ball is kicked, but if that’s you, you are
probably already used to ingenuity.
But my
discussion today is not centred around the question of the best league, instead
I’m interested in whether 10 players will be from any two teams in any other
league if the best eleven are selected from teams in that league. The answer is
no, well not in Europe’s top leagues, You see if you are to select a supposedly
dream team in Either the English Premier league or the Italian Sere A, you can guarantee
that you will have players from at least five different teams.
I guess the
question is why do we have pretty much all the players of FIFA World XI from
two Spanish teams? The answer is because there is no parity in the Spanish
league, Barcelona and Real Madrid put together ridiculously amazing players to
demolish the rest. Personally I’m not surprised these players are from these
two teams even though I have my own doubts about who is and who is not on that
so called FIFA team, because of the disparity between them and the rest and the
numbers of quality players they are surrounded by, these players have a better
chance of a better performance than their counter-parts in other leagues even
if they are levelled in terms of skills. To understand this think of a player
like Robin Van Persie, you can be almost certain that he will be in the FIFA
World XI if he plays for a team like Real Madrid or Barcelona in the Spanish
League.
It is
important for people to understand that the quality of players you are
surrounded by and the team power of your opponents plays a great role in a
players performance, been surrounded by top quality players coupled with a
relatively less powerful team makes playing the game itself easy.
Again it is obvious
that gap between Barcelona & Real Madrid and the rest of the other Spanish
teams is absolutely absurd and exclusive to the Spanish league. In fact no
other team has won the La Liga since 2004 and given the current nature of
things it doesn’t look like any team is going to break into that top two spot
anytime soon.
By the way
before you start calling my name, I’m conscious of the inclusion of Radamel
Falcoa in the so called dream team, who doesn’t play for either Barcelona or
Madrid, Falcoa is an amazing player, and he is a standout, however with no
disrespect to him I think his inclusion in the team is highly debatable.
Overall though I think he deserves some credit for his exceptional performance
in 2012, hence fair play to him.
If you're the
one who is obsessed with who is on the FIFA/FIFAPro World XI, it is worth
noting that these players are voted by their fellow professional players and as
such opinion plays a great role.
Below is that
name of the players for the 2012 FIFA World XI.
IKER
CASILLAS, DANI ALVES, MARCELO, GERARD PIQUÉ, SERGIO RAMOS, ANDRÉS INIESTA, XABI
ALONSO, XAVI HERNANDEZ, CRISTIANO RONALDO, RADAMEL FALCAO, LIONEL MESSI.
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