NEW PUBLICATION: It was a really nice experience to explore the links between innovation and macroeconomics. We find that R&D intensity is stationary in the G7 countries when we consider structural breaks with smooth functions, with the notable exception of the U.S. Thus, we do not reject the Schumpeterian growth theory. Our policy recommendation would be to invest in knowledge to sustain productivity growth.

You can quote this article as: Yifei Cai & Jamel Saadaoui (2022) Fourier DF unit root test for R&D intensity of G7 countries, Applied Economics, 10.1080/00036846.2022.2038776.

Even with more flexible economies, internal adjustment will always be slower than it would be if countries had their own exchange rate. Mario Draghi (2015). The title of…

NEW PUBLICATION: This paper was written last year with my friend Sy-Hoa Ho. We met ten years ago in the University of Paris North during the preparation of…

Estimator: A statistic used to approximate a population parameter. Sometimes called a point estimator. Estimate: The observed value of the estimator. Unbiased estimator: An estimator whose expected value…