To address the relationship between innovation and competition we jointly estimate the opportunity, production, and impact functions of innovation in a simultaneous system. Based on Swiss micro-data, we apply a 3-SLS system estimation. The findings confirm a robust inverted-U relationship, in...

This research examined the impact of the 3 May 1999 tornado on the Oklahoma City labour market. We estimated time series models that allow for time-varying variance in employment growth. The models include intervention variables designed to capture the tornado's effect at initial impact as well...

This article employs threshold cointegration and error-correction models to the default risk premium. The approach allows asymmetry in the dynamic process that has not been captured in previous studies of corporate credit spreads. The results indicate that the adjustment process is asymmetric...

Examines the lack of union activity among white-collar employees in the private sector in Mexico. Background on the country's economic growth and political stability; Information on labor movement and industrial relations; Legal status of white-collar workers; Details on the existing management...