PGF — Rapport entre une production et le volume global des facteurs de production utilisés pour l'obtenir.

Croissance économique

Croissance endogène

Facteur travail

Facteur capital

IDH

Investissement (SENS LARGE)

Investissements (SENS STRICT de l'INSEE)

PIB

Progrès technique

I love books, and all the best ones are people analysing their own emotions. You can learn from that.

Endorsing unconventional monetary policies unquestioningly is tantamount to saying that it is acceptable to distort asset prices if there are other domestic constraints on growth.

I have always believed that 98% of a student's progress is due to his own efforts, and 2% to his teacher.

Few people know that President Obama has used drone attacks many times more than Bush ever did. Obama's off the charts in terms of drone attack.

Owing to the difficulty of obtaining horses, Mr. Henry returns from this place. In descending the Mississippi I will request him to pay his respects to you.

It might interest you to know that the 1828 Noah Webster Dictionary identifies the optimist in complimentary terms, but says nothing about the pessimist. The word 'pessimist' was not in our vocabulary at that time. It's a modern 'invention' which I believe we should 'dis-invent.'

We speculate as to what is in store for us. But we not only undergo events, we in part cause them or at least influence their course. We have not only to study them but to act.

Everything is negotiable. Whether or not the negotiation is easy is another thing.

There was one incident at a movie theater where my girl got mad at these guys who were talking behind us. I never looked back there, but she was like, 'Will you all just shut up!' And I just got up and moved three rows in front. She was like, 'What are you doing?!' I was like, 'You better get up here! I don't play the fighting games.'

Perhaps the prevalence of pedantry may be largely accounted for by the common error of thinking that, because useful knowledge should be remembered, any kind of knowledge that is at all worth learning should be remembered too.

Although our intellect always longs for clarity and certainty our nature often finds uncertainty fascinating.

I have had an amazingly fortunate life. I'm a child from Yorkshire, which is sort of like Cleveland without the pretty bits.

Tiny Tim? Anyone could sing like that. It's atrocious. It's hideous, really.

Collateral learning in the way of formation of enduring attitudes of likes and dislikes may be and often is much more important than the spelling lesson or lesson in geography or history that is learned.

I just think that the Europeans are depriving themselves of a high-employment economy, and they are depriving themselves of intellectual stimulation in the workplace - and personal growth - by sticking to the stultifying, rigid system that I call corporatism.

How did sex come to be thought of as dirty in the first place? God must have been a Republican.

At one time, I was persuaded to want to make music, and people answered me that that was not possible.

Teachers need to be comfortable talking about feelings. This is part of teaching emotional literacy - a set of skills we can all develop, including the ability to read, understand, and respond appropriately to one's own emotions and the emotions of others.

I never thought I was going to be a singer. That was an accident.

It's true what they say, that words are the true weapons. Those who fight with steel are limited to the strength of their arm, the reach of their blade, and the timing of their strike; but those who fight with persuasion know no limits “ not time, nor status, nor chance.

You're in the lap of the gods. If people go, they go, and if they don't.

I think, in terms of corporate philosophy, I've always believed that you've got to treat people in a very very egalitarian manner in the sense I like to treat people on a one-to-one basis. And I like people to take on a lot of responsibilities because I think with a sense of responsibility also comes a sense of purpose.

If we just focus on stats, we're gonna eventually not have them.

When you launch in a rocket, you're not really flying that rocket. You're just sort of hanging on.