Studies of natural resource wealth and civil war have been hampered by measurement error, endogeneity, lack of robustness, and uncertainty about causal mechanisms. This paper develops new measures and new tests to address these problems. It has four main findings. First, the likelihood of civil...

Since 2001, hundreds of academic studies have examined the “political resource curse,” meaning the claim that natural resource wealth tends to adversely affect a country's governance. There is now robust evidence that one type of mineral wealth, petroleum, has at least three harmful effects:...

How does a country's mineral wealth affect the transparency of the government's budget? Among democracies, a country's mineral wealth is not convincingly related to the transparency of its government. But among autocracies, greater oil wealth is correlated with less fiscal transparency, while...

Oil-exporting countries are often advised to diversify their economies, yet surprisingly little is known about how this can be done. Research on this issue has been constrained by missing and inconsistent data, selection bias, and the use of uninformative measures of diversification. This paper...

The recent political upheavals in the Middle East and North Africa region have exposed growing concerns about conflict risk, political stability, and reform prospects across its societies. Given the prevalence of oil and gas resource endowments in the region, which a voluminous literature...

Since 2001, hundreds of academic studies have examined the “resource curse,” meaning the claim that natural resource wealth tends to perversely affect a country's governance. There is now robust evidence that one type of mineral wealth, petroleum, has at least three harmful effects: it tends...