affects the spatial distribution of economic activity, trade, migration, growth, and welfare. We assess quantitatively the … impact of migration and trade restrictions, energy taxes, and innovation subsidies … firms locate on a hemisphere. Trade across locations is costly, firms innovate, and technology diffuses over space. Energy …

The observed uneven distribution of economic activity across space is influenced by variation in exogenous geographical … economic geography had focused on stylized settings that could not easily be taken to the data. This paper reviews more recent … research that has developed quantitative models of economic geography. These models are rich enough to speak to first …

dispersion by increasing the correlation between a country's productivity and its gains from trade. We causally validate this … prediction using a global climatic phenomenon as a natural experiment. We find that gains from trade in cereals over the last …

points) is identified. The theory predicts war to be more likely when resource and group concentration are high, and the …

physical geography attributes. A full set of country indicators only explains a further 10%. When we divide geographic … characteristics into two groups, those primarily important for agriculture and those primarily important for trade, we find that the … agriculture variables have relatively more explanatory power in countries that developed early and the trade variables have …

matches observed temperature and consumption growth dynamics, and key features of financial markets data. We use this model to … consumption, and the total dollar costs of completely insuring against temperature variation are 2.46% of world GDP. If we allow … for temperature-triggered natural disasters to impact growth, insuring against temperature variation raise to 5.47% of …

has been the case up to now, especially careful studies of long-run economic growth (to 2100 and beyond) …

Climate change effects on agricultural yields will be uneven over the world with a few countries, mostly in high … international trade in attenuating the effects of climate change by allowing the expression of the new climate-induced pattern of … comparative advantages. To do this, we develop a quantitative general equilibrium trade model where the representation of acreage …