This paper examines how firms interact with their rivals. The main novelty of our approach is that we let conjectural variations depend on the actual ability of other firms to react, which we measure by both the physical capacity and financial status of firms. Our main findings are threefold....

Despite massive regional policy efforts, GDP per capita in Southern Italy has only briefly converged on Northern Italian levels (during the 1960s). Failure since then is associated with a policy switch from investment towards income maintenance, with reduced wage sensitivity to regional labour...

The economic boom of the USA in the 1990s was remarkable in its duration, the sustained rise in equipment investment, the reduced volatility of productivity growth, and continued uncertainty about the trend growth rate. In this paper we link these phenomena using an extension of the classic...