In this paper, we investigate the effect of Donald Trump's campaign for coal during his successful race for the White House in 2016. We use a twofold empirical strategy. First, we estimate an event study model to show the change in Republican Party shares in coal counties in 2016 relative to...

In this paper we investigate the effect of Donald Trump's campaign for coal in his successful race for the White House in 2016. Using a spatial Durbin model we estimate the effect of coal production on the Republicans vote share in the US Presidential Election of 2016 on the county level. To...

The relevance of scope economies is central in the unbundling of competitive tendering introduced for the assignment of franchised monopolies in LPT services, concerning either urban or intercity local transport.<BR> We present a number of different cost specifications. The separable quadratic and...

A growing number of Local Public Transport (LPT) companies diversify their production lines by providing a large set of services. We investigate the cost structure of a sample of LPT companies operating in Italy and assess the presence and the magnitude of scope economies. We split the whole...

This article examines the potential impact of ownership on the cost of bus service provision for a sample of 65 private and 12 public companies providing local public transit (LPT) in Piedmont (Italy) from 1998 to 2002. A translog cost frontier is estimated using the model in Battese and Coelli...