We revisit the diagram developed by Krugman and Macedo (The economic consequences of the April 25th revolution, Krugman and Braga de Macedo, Economia III: 435–483, 1979) …
Using data from 1990 until 2019, we provide new evidence that the series of GDP per capita in Portugal and in the remaining of the EU15 have a common stochastic trend. This result is …