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Lars Pålsson Syll
Professor at Malmö University. Primary research interest - the philosophy, history and methodology of economics.

Lars P. Syll

Economic growth and the size of the ‘private sector’

Economic growth and the size of the ‘private sector’ Economic growth has since long interested economists. Not least, the question of which factors are behind high growth rates has been in focus. The factors usually pointed at are mainly economic, social and political variables. In an interesting study from the University of  Helsinki, Tatu Westling has expanded the potential causal variables to also include biological and sexual variables. In  the report...

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Milton Friedman’s critique of econometrics

Milton Friedman’s critique of econometrics Tinbergen’s results cannot be judged by ordinary tests of statistical significance. The reason is that the variables with which he winds up, the particular series measuring these variables, the leads and lags, and various other aspects of the equations besides the particular values of the parameters (which alone can be tested by the usual statistical technique) have been selected after an extensive process of trial...

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Economists — nothing but a bunch of idiots savants

Economists — nothing but a bunch of idiots savants Let’s be honest: no one knows what is happening in the world economy today. Recovery from the collapse of 2008 has been unexpectedly slow … Policymakers don’t know what to do. They press the usual (and unusual) levers and nothing happens. Quantitative easing was supposed to bring inflation “back to target.” It didn’t. Fiscal contraction was supposed to restore confidence. It didn’t … Most economics students...

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Econometrics textbooks — vague and confused causal analysis

Econometrics textbooks — vague and confused causal analysis Econometric textbooks fall on all sides of this debate. Some explicitly ascribe causal meaning to the structural equation while others insist that it is nothing more than a compact representation of the joint probability distribution. Many fall somewhere in the middle – attempting to provide the econometric model with sufficient power to answer economic problems but hesitant to anger traditional...

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Proper use of regression analysis

Proper use of regression analysis Level I regression analysis does not require any assumptions about how the data were generated. If one wants more from the data analysis, assumptions are required. For a Level II regression analysis, the added feature is statistical inference: estimation, hypothesis tests and confidence intervals. When the data are produced by probability sampling from a well-defined population, estimation, hypothesis tests and confidence...

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Keynes betrayed

To complete the reconciliation of Keynesian economics with general equilibrium theory, Paul Samuelson introduced the neoclassical synthesis in 1955 … In this view of the world, high unemployment is a temporary phenomenon caused by the slow adjustment of money wages and money prices. In Samuelson’s vision, the economy is Keynesian in the short run, when some wages and prices are sticky. It is classical in the long run when all wages and prices have had time to adjust…. Although...

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Mainstream economics — nothing but an assumption-making Nintendo game

Mainstream economics — nothing but an assumption-making Nintendo game In advanced economics the question would be: ‘What besides mathematics should be in an economics lecture?’ In physics the familiar spirit is Archimedes the experimenter. But in economics, as in mathematics itself, it is theorem-proving Euclid who paces the halls … Economics … has become a mathematical game. The science has been drained out of economics, replaced by a Nintendo game of...

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PISA-resultat och ekonometriska modellspecifikationer

Det är inte ofta som skillnader mellan olika ekonometriska modellspecifikationer skapar rubriker i media men när PISA-undersökningen släpptes för några veckor sedan hände just detta. Orsaken var att OECD hävdade att svenska friskolor presterade sämre än kommunala skolor medan Skolverket kommit fram till att skillnaden mellan offentliga och privata huvudmän var liten och statistiskt osignifikant. Eftersom det är samma datamaterial som används kan det vara värt att klargöra vari...

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