Lars P. Syll

Teachers — people that change your life .[embedded content]

The wide conviction of the superiority of the methods of the science has converted the econometric community largely to a group of fundamentalist guards of mathematical rigour. It is often the case that mathemical rigour is held as the dominant goal and the criterion for research topic choice as well as research evaluation, so much so that the relevance of the research to business cycles is reduced to empirical illustrations. To that extent, probabilistic formalization has...

Gedenken an Michail Gorbatschow .[embedded content]

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Fjorton gånger har priset delats ut, blott tre gånger har nâgon tackat nej: Göran Palm (2012, då det i stället gick till Sven Lindqvist), Susanna Alakoski (2013, hon ville inte förknippas med diktatorn Lenin) och Åsa Linderborg (2016, Myrdal gick emot styrelsens val av Linderborg som då tackade nej). Alla andra pristagare, däribland Mattias Gardell, Sven Wollter, Sven Lindqvist, Mikael Wiehe, Roy Anderson och de senaste åren författaren Nina Björk och journalisten Kajsa Ekis...

If you can’t devise an experiment that answers your question in a world where anything goes, then the odds of generating useful results with a modest budget and nonexperimental survey data seem pretty slim. The description of an ideal experiment also helps you formulate causal questions precisely. The mechanics of an ideal experiment highlight the forces you’d like to manipulate and the factors you’d like to hold constant. Research questions that cannot be answered by any...

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Donald Rubin on the history of causal inference .[embedded content]

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Propensity score analysis — some critical remarks Our findings suggest that researchers need comprehensive knowledge of model assumptions and knowledge of plausible causal structure. From prior research, sources of selection bias must be understood. Substantive knowledge of plausible causal structure typically includes the theory of change of an intervention program being evaluated, which determines the covariates that should be used in the model predicting...