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Recent studies have tried to provide rigorous tests of causal effects of education levels on health status. Some of … these studies show a significant causal impact of school-leaving age on mortality at later ages: their empirical strategy … significantly increased school leaving ages, and despite the fact that subsequent declines in mortality have been observed, none of …
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We use a French firm-level panel data set over the period 1993-2004 to analyze the relationship between credit constraints and firms' R&D behavior over the business cycle. Our main results can be summarized as follows: (i) the share of R&D investment over total investment is countercyclical...
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This article aims at estimating leading indicators of the American economy with financial variables. We use two types of hidden Markov chains models, a quantitative one (Krolzig (1997)) and a qualitative one (Gregoir and Lenglart (2000)). These models provide a robust and reliable framework to...
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