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AbstractThis paper provides insights into the apparent seesaw between the generation of theoretical and empirical economics research over time. A dynamic model considers the incentives of researchers to focus on empirical versus theoretical papers. It yields the main characteristics of the path‐changing of economics research, from theoretical‐intensive to empirical‐focused. The model has two equilibria, one with a higher proportion of theoretical papers and another with a higher proportion of empirical papers. Curiously, the equilibrium with greater theoretical papers is stable, while the one with more empirical papers is a saddle point. This suggests that the current trend of increasing empirical research is unlikely to last.

AbstractThe recent prevalence of digital currencies has challenged policymakers as they try to control the supply of money and rein in clandestine activities. Corruption and shadow economy are widely prevalent illegal/unobserved activities that have been hard to eliminate worldwide. These longstanding and entrenched activities have possibly found a new avenue to thrive and evade detection/punishment. So disentangling the nexus between corruption, shadow economy, and digital currencies is important. Using recent cross‐country data, this paper analyzes the interrelationships between corruption, shadow economy, and cryptocurrencies. We argue that a large underground sector in a nation provides a mechanism through which corrupt government officials use cryptocurrencies to conceal their unauthorized earnings. Employing formal mediation analysis, our results show that the positive nexus between corruption and cryptocurrency adoption is mediated by the shadow sector. Quantitatively speaking, three‐fourths of the correlation between corruption and cryptocurrency usage is mediated by the shadow economy. The primary implication of our findings is that effective monitoring of cryptocurrencies should pay attention to policies to control both corruption and the shadow economy.

AbstractThis article studies the impact of disease epidemics on the worldwide prevalence of the shadow or the underground economy. The informal sector has low entry barriers and provides an easy short‐term option for the supply of goods and services during epidemics when traditional supply lines are cut or strained. Furthermore, the enforcement resources might be directed elsewhere during epidemics, lowering the expected costs of shadow operations. Using data for over 125 nations, we find that the incidence of epidemics positively and significantly contributes to the spread of the underground sector. These findings withstand a series of robustness checks.

Adding to the literature on the effects of government decentralization, this paper uses a large sample of individual responses from more than a hundred countries about public's perceptions of government's performance along various dimensions to study the relative influences of different types of decentralization, including fiscal decentralization, administrative decentralization, federalism, and aggregate decentralization. Our results show that fiscal and administrative decentralization are qualitatively alike in that greater decentralization in each case improves perceptions of the government performance. Federalist states' performance and overall decentralization are viewed somewhat differently. With regard to tax administration particularly, fiscal and administrative forms of government decentralization result in better outcomes than overall decentralization. Finally, service industries and large firms, ceteris paribus, perceived government performance differently.