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We classify the empirical literature on the wage impact of immigration into three groups, where studies in the first two groups estimate different relative effects, and studies in the third group estimate the total effect of immigration on wages. We interpret the estimates obtained from the different approaches through the lens of the canonical model to demonstrate that they are not comparable. We then relax two key assumptions in this literature, allowing for inelastic and heterogeneous labor supply elasticities of natives and the \"downgrading\" of immigrants. “Downgrading” occurs when the position of immigrants in the labor market is systematically lower than the position of natives with the same observed education and experience levels. Downgrading means that immigrants receive lower returns to the same measured skills than natives when these skills are acquired in their country of origin. We show that heterogeneous labor supply elasticities, if ignored, may complicate the interpretation of wage estimates, and particularly the interpretation of relative wage effects. Moreover, downgrading may lead to biased estimates in those approaches that estimate relative effects of immigration, but not in approaches that estimate total effects. We conclude that empirical models that estimate total effects not only answer important policy questions, but are also more robust to alternative assumptions than models that estimate relative effects.

\"War... is merely an idea, an institution, like dueling or slavery, that has been grafted onto human existence. It is not a trick of fate, a thunderbolt from hell, a natural calamity, or a desperate plot contrivance dreamed up by some sadistic puppeteer on high. And it seems to me that the institution is in pronounced decline, abandoned as attitudes toward it have changed, roughly following the pattern by which the ancient and formidable institution of slavery became discredited and then mostly obsolete.\"-from the Introduction War is one of the great themes of human history and now, John Mueller believes, it is clearly declining. Developed nations have generally abandoned it as a way for conducting their relations with other countries, and most current warfare (though not all) is opportunistic predation waged by packs-often remarkably small ones-of criminals and bullies. Thus, argues Mueller, war has been substantially reduced to its remnants-or dregs-and thugs are the residual combatants. Mueller is sensitive to the policy implications of this view. When developed states commit disciplined troops to peacekeeping, the result is usually a rapid cessation of murderous disorder. The Remnants of War thus reinvigorates our sense of the moral responsibility bound up in peacekeeping. In Mueller's view, capable domestic policing and military forces can also be effective in reestablishing civic order, and the building of competent governments is key to eliminating most of what remains of warfare. \"War... is merely an idea, an institution, like dueling or slavery, that has been grafted onto human existence. It is not a trick of fate, a thunderbolt from hell, a natural calamity, or a desperate plot contrivance dreamed up by some sadistic puppeteer on high. And it seems to me that the institution is in pronounced decline, abandoned as attitudes toward it have changed, roughly following the pattern by which the ancient and formidable institution of slavery became discredited and then mostly obsolete.\"-from the Introduction War is one of the great themes of human history and now, John Mueller believes, it is clearly declining. Developed nations have generally abandoned it as a way for conducting their relations with other countries, and most current warfare (though not all) is opportunistic predation waged by packs-often remarkably small ones-of criminals and bullies. Thus, argues Mueller, war has been substantially reduced to its remnants-or dregs-and thugs are the residual combatants. Mueller is sensitive to the policy implications of this view. When developed states commit disciplined troops to peacekeeping, the result is usually a rapid cessation of murderous disorder. The Remnants of War thus reinvigorates our sense of the moral responsibility bound up in peacekeeping. In Mueller's view, capable domestic policing and military forces can also be effective in reestablishing civic order, and the building of competent governments is key to eliminating most of what remains of warfare.

Unlike economies as a whole, manufacturing industries exhibit strong unconditional convergence in labor productivity. The article documents this at various levels of disaggregation for a large sample covering more than 100 countries over recent decades. The result is highly robust to changes in the sample and specification. The coefficient of unconditional convergence is estimated quite precisely and is large, at between 2–3% in most specifications and 2.9% a year in the baseline specification covering 118 countries. The article also finds substantial sigma-convergence at the two-digit level for a smaller sample of countries. Despite strong convergence within manufacturing, aggregate convergence fails due to the small share of manufacturing employment in low-income countries and the slow pace of industrialization. Because of data coverage, these findings should be as viewed as applying to the organized, formal parts of manufacturing.

\"A woman will one day occupy the Oval Office because women themselves have made it inevitable, says best-selling historian Ellen Fitzpatrick. She tells the remarkable 150-year story of the candidates, voters, activists, and citizens who, despite overwhelming odds against women in politics, set their sights on the highest glass ceiling in the land.\"--Provided by publisher.

This paper investigates how collusion between regulators and firms affects workplace safety using the case of China’s coal mine deaths. We argue that decentralization makes collusion more likely and that its effect is strengthened if the transaction costs of collusion are lower. These hypotheses are tested by investigating the impact of decentralization contingent on regulators’ characteristics. Exploring both decentralization and centralization reforms in the coal mine industry, we find that decentralization is correlated with an increase in coal mine death rates. Moreover, this increase in mortality is larger for the regulators with lower transaction costs (proxied by the locality of origin).

\"When Bashar al-Assad used chemical weapons against his own people in Syria, he clearly crossed President Barack Obama's \"red line.\" At the time, many argued that the president had to bomb in order to protect America's reputation for toughness, and therefore its credibility, abroad; others countered that concerns regarding reputation were overblown, and that reputations are irrelevant for coercive diplomacy. Whether international reputations matter is the question at the heart of Fighting for Credibility. For skeptics, past actions and reputations have no bearing on an adversary's assessment of credibility; power and interests alone determine whether a threat is believed. Using a nuanced and sophisticated theory of rational deterrence, Frank P. Harvey and John Mitton argue the opposite: ignoring reputations sidesteps important factors about how adversaries perceive threats. Focusing on cases of asymmetric US encounters with smaller powers since the end of the Cold War including Bosnia, Kosovo, Iraq, and Syria, Harvey and Mitton reveal that reputations matter for credibility in international politics. This dynamic and deeply documented study successfully brings reputation back to the table of foreign diplomacy.\"-- Provided by publisher.

Lacking a long time series on the assets of the very wealthy, Saez and Zucman (2015) use US tax records to obtain estimates of wealth holdings by capitalizing asset income from tax returns. They document marked upward trends in wealth concentration. We use data on tax returns and actual wealth holdings from tax records for the whole Norwegian population to test the robustness of the methodology. We document that measures of wealth based on the capitalization approach can lead to misleading conclusions about the level and the dynamics of wealth inequality if returns are heterogeneous and even moderately correlated with wealth.