The political unification of Italy in 1861 led to the establishment of a single market, by removing the trade barriers across the pre-existing states, with a single currency. Market integration was the economic outcome of this process. At the same time, the Kingdom of Italy started a large...

The well-known rise in the geographical concentration of hog production suggests the presence of agglomeration economies related to spatial spillovers and inter-dependencies among industries. In this paper, we examine whether manure management regulation restricting manure application per acre...