The roots of statistics are concealed far away in ancient times. Although hidden with many unknowns and uncertainties one may see bright and impressive moments even in the farthest history. In its development social statistics has left deep marks on the whole statistics and human knowledge in...

This paper explores long wave theory, including Kondratieff's theory of cycles in production and relative prices; Kuznets's theory of cycles arising from infrastructure investments; Schumpeter's theory of cycles due to waves of technological innovation; Goodwin's theory of cyclical growth based...

Computer technology presents economists with new tools, but also raises novel methodological issues. This essay discusses the challenges faced by computational researchers, and proposes some solutions.

Since the mid seventies a wave of critics against structural econometrics (Cowles Commission approach) arose, severely damaging its reputation and its use in common econometric practice. Despite some of those critics apply, this approach has being restored and therefore continues to be the work...

This paper argues that the natural rate of unemployment hypothesis, in which equilibrium unemployment is determined by ‘structural’ variables alone, is wrong: it is both implausible and inconsistent with the evidence. Instead, equilibrium unemployment is haunted by hysteresis. The...