Robert E. Lucas Jr.'s Why doesn't capital flow from rich to poor countries?

Author: Belton, Padraig
Binding: Paperback
Pages: 106
Pub Date: 05/07/2017
ISBN: 9781912128433
Availability: Out of Stock
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Quick overview Because the potential returns appear to be greater in poorer countries than in the developed world, modern economic theory implies that rich countries should continually invest in poor countries until returns balance out.
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Robert Lucas is known among economists as one of the most influential macroeconomists of recent times - a reputation founded in no small part on the critical thinking skills displayed in his seminal 1990 paper `Why Doesn't Capital Flow from Rich to Poor Countries?'
Lucas's paper tackles a puzzle in economic theory that has since come to be known as the `Lucas paradox,' and it deploys the author's brilliant problem solving skills to explain why such an apparent paradox in fact makes sense. Classical economic theory makes a simple prediction of how capital flows between countries: it should, it states, flow from rich to poor countries, because of the law of diminishing returns on capital. Since poor countries have so little capital invested in them, the returns on new investment should be proportionally far better than investment in rich countries.
This should mean that investors seeking new opportunities will invest in poorer countries, making capital consistently flow from rich nations to poorer ones. But, problematically, this is not in fact the case. Having defined the problem, Lucas did what any good problem solver would: he looked critically at the criteria involved, and offered a series of possible solutions. Indeed, in just six pages, he puts forward four hypotheses to explain the paradox's existence. The popularity of his paper, and the influence it has had, are also greatly magnified by careful reasoning embodied in Lucas's marshalling of evidence and his explanations of the judgements he has made.

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