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Tag Archives: Economics

The current state of game theory

The current state of game theory Back in 1991, when yours truly earned his first PhD​ with a dissertation on decision making and rationality in social choice theory and game theory, I concluded that “repeatedly it seems as though mathematical tractability and elegance — rather than realism and relevance — have been the most applied guidelines for the behavioural assumptions being made. On a political and social level, ​it is doubtful if the methodological...

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Bostadsbubblan på väg att spricka!

Bostadsbubblan på väg att spricka! Svenska hushåll är idag högt skuldsatta och på senare år har hushållens skulder ökat snabbare än både BNP och de disponibla inkomsterna. Orsakerna är främst en lång period med historiskt låga räntor och stigande bostadspriser. Hushållens skulder består till övervägande delen av bolån. Det genomsnittliga kvadratmeterpriset på bostadsrätter i Sverige har under de senaste 25 åren stigit med mer än 800 procent (villapriserna...

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Bankerna driver på klimatkrisen

Bankerna driver på klimatkrisen Offentliga institutioner reglerar redan i dag bankernas penningskapande i allmänhetens intresse, om än på ett mycket fragmentariskt sätt. Det tydligaste exemplet är kanske de strikta skyldigheter som bankerna har för att säkerställa att de pengar de skapar inte används för finansiering av terrorism och penningtvätt.Tidigare, efter andra världskriget, styrdes många banker att låna ut till sektorer som ansågs viktiga för den...

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Varför är den svenska inflationen så hög?

Varför är den svenska inflationen så hög? Enligt Elinor Odeberg borde Sverige, precis som en del andra länder, ha agerat mer direkt. Hon tar upp Spanien som ett exempel. – Trots att Spanien hade ett väldigt starkt beroende av rysk energi, till skillnad från Sverige som inte hade någon import av rysk energi att tala om, så har Sverige betydligt högre inflation och högre energipriser. Det beror på att den spanska regeringen valde att sätta pristak och svälja...

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The misuse of mathematics in economics

The misuse of mathematics in economics Many American undergraduates in Economics interested in doing a Ph.D. are surprised to learn that the first year of an Econ Ph.D. feels much more like entering a Ph.D. in solving mathematical models by hand than it does with learning economics. Typically, there is very little reading or writing involved, but loads and loads of fast algebra is required. Why is it like this? … One reason to use math is that it is easy to...

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Chicago economics — garbage in, gospel out

Chicago economics — garbage in, gospel out Every dollar of increased government spending must correspond to one less dollar of private spending. Jobs created by stimulus spending are offset by jobs lost from the decline in private spending. We can build roads instead of factories, but fiscal stimulus can’t help us to build more of both. This form of “crowding out” is just accounting, and doesn’t rest on any perceptions or behavioral assumptions. John...

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The ultimate methodological issue in economics

The ultimate methodological issue in economics If scientific progress in economics — as Robert Lucas and other latter-day followers of Milton Friedman seem to think — lies in our ability to tell ‘better and better stories’ one would of course expect economics journals to be filled with articles supporting the stories with empirical evidence. However, the journals still show a striking and embarrassing paucity of empirical studies that (try to) substantiate...

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Interventionist causes and modularity

Interventionist causes and modularity Modularity is the mark of a type of independence from context. The same functional relationship between variables will hold in a given component of the contributing mechanisms whether or not there is a change in a different component. The total effect may change when different components contribute, but the operation of the modular mechanism will not be changed nor change them. In situations where the presence or...

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Why the euro has to be abandoned

Why the euro has to be abandoned The euro has taken away the possibility for national governments to manage their economies in a meaningful way — and in Italy and Greece a couple of years ago, the people had to pay the true costs of its concomitant misguided austerity policies. The unfolding of the repeated economic crises in Euroland during the last decade has shown beyond any doubt that the euro is not only an economic project​ but just as much a...

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