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Making Bricks from Straw: Resources and Productivity in Health Care. 稻草制砖：卫生保健中的资源和生产力。
IF 11.6 1区 经济学
American Economic Review Pub Date : 2026-04-01 DOI: 10.1257/aer.20241459
Edward N Okeke
{"title":"Making Bricks from Straw: Resources and Productivity in Health Care.","authors":"Edward N Okeke","doi":"10.1257/aer.20241459","DOIUrl":"10.1257/aer.20241459","url":null,"abstract":"<p><p>Why do health facilities in developing countries do so poorly? This paper examines the role of financial constraints. I describe an experiment in which we surprised health workers in randomly selected public health clinics in Nigeria with a N600,000 grant paid out in installments over one year. Its administration was left entirely to health workers. I show that the award led to large productivity gains. Using expenditure data combined with novel textual data I provide an explanation for these effects. I show that the award increased investments in physical and human capital, led to lower prices for patients and inspired health workers to do better.</p>","PeriodicalId":48472,"journal":{"name":"American Economic Review","volume":"116 4","pages":"1499-1539"},"PeriodicalIF":11.6,"publicationDate":"2026-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13042200/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147610219","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"经济学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The Ends of 27 Big Depressions 27 次大萧条的终结
IF 10.7 1区 经济学
American Economic Review Pub Date : 2024-01-01 DOI: 10.1257/aer.20221479
Martin Ellison, Sang Seok Lee, Kevin Hjortshøj O'Rourke
{"title":"The Ends of 27 Big Depressions","authors":"Martin Ellison, Sang Seok Lee, Kevin Hjortshøj O'Rourke","doi":"10.1257/aer.20221479","DOIUrl":"https://doi.org/10.1257/aer.20221479","url":null,"abstract":"How did countries recover from the Great Depression? In this paper, we explore the argument that leaving the gold standard helped by boosting inflationary expectations, lowering real interest rates, and stimulating interest-sensitive expenditures. We do so for a sample of 27 countries, using modern nowcasting methods and a new data-set containing more than 230,000 monthly and quarterly observations for over 1,500 variables. In those cases where the departure from gold happened on well-defined dates, inflationary expectations clearly rose in the wake of departure. Instrumental variable, difference-in-difference, and synthetic matching techniques suggest that the relationship is causal. (JEL E31, E32, E42, E43, F30, N10, N20)","PeriodicalId":48472,"journal":{"name":"American Economic Review","volume":"42 2","pages":""},"PeriodicalIF":10.7,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139127977","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"经济学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Disentangling Moral Hazard and Adverse Selection 区分道德风险和逆向选择
IF 10.7 1区 经济学
American Economic Review Pub Date : 2024-01-01 DOI: 10.1257/aer.20220100
Hector Chade
{"title":"Disentangling Moral Hazard and Adverse Selection","authors":"Hector Chade","doi":"10.1257/aer.20220100","DOIUrl":"https://doi.org/10.1257/aer.20220100","url":null,"abstract":"While many real-world principal-agent problems have both moral hazard and adverse selection, existing tools largely analyze only one at a time. Do the insights from the separate analyses survive when the frictions are combined? We develop a simple method—decoupling—to study both problems at once. When decoupling works, everything we know from the separate analyses carries over, but interesting interactions also arise. We provide simple tests for whether decoupling is valid. We develop and numerically implement an algorithm to calculate the decoupled solution and check its validity. We also provide primitives for decoupling to work and analyze several extensions. (JEL D82, D86)","PeriodicalId":48472,"journal":{"name":"American Economic Review","volume":"28 13","pages":""},"PeriodicalIF":10.7,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139126268","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"经济学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
America, Jump-Started: World War II R&D and the Takeoff of the US Innovation System 美国，启动：二战研发与美国创新体系的腾飞
IF 10.7 1区 经济学
American Economic Review Pub Date : 2023-12-01 DOI: 10.1257/aer.20221365
D. Gross, B. Sampat
{"title":"America, Jump-Started: World War II R&D and the Takeoff of the US Innovation System","authors":"D. Gross, B. Sampat","doi":"10.1257/aer.20221365","DOIUrl":"https://doi.org/10.1257/aer.20221365","url":null,"abstract":"During World War II, the US government’s Office of Scientific Research and Development (OSRD) supported one of the largest public investments in applied R&D in US history. Using data on all OSRD-funded invention, we show this shock had a formative impact on the US innovation system, catalyzing technology clusters across the country, with accompanying increases in high-tech entrepreneur-ship and employment. These effects persist until at least the 1970s and appear to be driven by agglomerative forces and endogenous growth. In addition to creating technology clusters, wartime R&D permanently changed the trajectory of overall US innovation in the direction of OSRD-funded technologies. (JEL H56, N42, N72, O31, O33, O38, R11)","PeriodicalId":48472,"journal":{"name":"American Economic Review","volume":"1057 ","pages":""},"PeriodicalIF":10.7,"publicationDate":"2023-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139019113","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"经济学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 8
Second-Best Fairness: The Trade-Off between False Positives and False Negatives 第二好的公平性:假阳性和假阴性之间的权衡
IF 10.7 1区 经济学
American Economic Review Pub Date : 2023-09-01 DOI: 10.1257/aer.20211015
A. Cappelen, Cornelius Cappelen, Bertil Tungodden
{"title":"Second-Best Fairness: The Trade-Off between False Positives and False Negatives","authors":"A. Cappelen, Cornelius Cappelen, Bertil Tungodden","doi":"10.1257/aer.20211015","DOIUrl":"https://doi.org/10.1257/aer.20211015","url":null,"abstract":"A main focus in economics is how to design optimal policies in second-best situations, which often requires a trade-off between giving some individuals more than they deserve, false positives, and others less than they deserve, false negatives. This paper provides novel evidence on people’s second-best fairness preferences from large-scale experimental studies in the United States and Norway. The majority of people are more concerned with false negatives than with false positives, but we document substantial heterogeneity in second-best fairness preferences between the countries and across the political spectrum. The findings shed light on the political economy of social insurance and redistribution. (JEL D63, D72, D78, H23, I38)","PeriodicalId":48472,"journal":{"name":"American Economic Review","volume":"29 1","pages":""},"PeriodicalIF":10.7,"publicationDate":"2023-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84692769","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"经济学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Imperfect Financial Markets and Investment Inefficiencies 不完善的金融市场和投资效率低下
IF 10.7 1区 经济学
American Economic Review Pub Date : 2023-09-01 DOI: 10.1257/aer.20170725
Elı́as Albagli, C. Hellwig, Aleh Tsyvinski
{"title":"Imperfect Financial Markets and Investment Inefficiencies","authors":"Elı́as Albagli, C. Hellwig, Aleh Tsyvinski","doi":"10.1257/aer.20170725","DOIUrl":"https://doi.org/10.1257/aer.20170725","url":null,"abstract":"We analyze the consequences of noisy information aggregation for investment. Market imperfections create endogenous rents that cause overinvestment in upside risks and underinvestment in downside risks. In partial equilibrium, these inefficiencies are particularly severe if upside risks are coupled with easy scalability of investment. In general equilibrium, the shareholders’ collective attempts to boost value of individual firms leads to a novel externality operating through price that amplifies investment distortions with downside risks but offsets distortions with upside risks. (JEL D21, D25, D83, G14, G32, G41)","PeriodicalId":48472,"journal":{"name":"American Economic Review","volume":"35 1","pages":""},"PeriodicalIF":10.7,"publicationDate":"2023-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90591218","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"经济学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Worth Your Weight: Experimental Evidence on the Benefits of Obesity in Low-Income Countries. 值得你的体重：低收入国家肥胖益处的实验证据。
IF 10.5 1区 经济学
American Economic Review Pub Date : 2023-09-01 DOI: 10.1257/aer.20211879
Elisa Macchi
{"title":"Worth Your Weight: Experimental Evidence on the Benefits of Obesity in Low-Income Countries.","authors":"Elisa Macchi","doi":"10.1257/aer.20211879","DOIUrl":"10.1257/aer.20211879","url":null,"abstract":"<p><p>I study the economic value of obesity-a status symbol in poor countries associated with raised health risks. Randomizing decision-makers in Kampala, Uganda to view weight-manipulated portraits, I find that obesity is perceived as a reliable signal of wealth but not of beauty or health. Thus, leveraging a real-stakes experiment involving professional loan officers, I show that being obese facilitates access to credit. The large obesity premium, comparable to raising borrower self-reported earnings by over 60%, is driven by asymmetric information and drops significantly when providing more financial information. Notably, obesity benefits and wealth-signaling value are commonly overestimated, suggesting market distortions.</p>","PeriodicalId":48472,"journal":{"name":"American Economic Review","volume":"36 1","pages":"2287-2322"},"PeriodicalIF":10.5,"publicationDate":"2023-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11912229/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83171292","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"经济学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Enhanced and asymmetric signatures of hybridization at climatic margins: Evidence from closely related dioecious fig species. 气候边缘杂交的增强和不对称特征：来自近缘雌雄异株无花果物种的证据。
IF 4.8 1区 经济学
American Economic Review Pub Date : 2023-08-28 eCollection Date: 2024-03-01 DOI: 10.1016/j.pld.2023.08.003
Jian-Feng Huang, Clive T Darwell, Yan-Qiong Peng
{"title":"Enhanced and asymmetric signatures of hybridization at climatic margins: Evidence from closely related dioecious fig species.","authors":"Jian-Feng Huang, Clive T Darwell, Yan-Qiong Peng","doi":"10.1016/j.pld.2023.08.003","DOIUrl":"10.1016/j.pld.2023.08.003","url":null,"abstract":"<p><p>Hybridization plays a significant role in biological evolution. However, it is not clear whether ecological contingency differentially influences likelihood of hybridization, particularly at ecological margins where parental species may exhibit reduced fitnesses. Moreover, it is unknown whether future ecosystem change will increase the prevalence of hybridization. <i>Ficus heterostyla</i> and <i>F. squamosa</i> are closely related species co-distributed from southern Thailand to southwest China where hybridization, yielding viable seeds, has been documented. As a robust test of ecological factors driving hybridization, we investigated spatial hybridization signatures based on nuclear microsatellites from extensive population sampling across a widespread contact range. Both species showed high population differentiation and strong patterns of isolation by distance. Admixture estimates exposed asymmetric interspecific gene flow. Signatures of hybridization increase significantly towards higher latitude zones, peaking at the northern climatic margins. Geographic variation in reproductive phenology combined with ecologically challenging marginal habitats may promote this phenomenon. Our work is a first systematic evaluation of such patterns in a comprehensive, latitudinally-based clinal context, and indicates that tendency to hybridize appears strongly influenced by environmental conditions. Moreover, that future climate change scenarios will likely alter and possibly augment cases of hybridization at ecosystem scales.</p>","PeriodicalId":48472,"journal":{"name":"American Economic Review","volume":"106 1","pages":"181-193"},"PeriodicalIF":4.8,"publicationDate":"2023-08-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11128846/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"88312657","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"经济学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The Political Economy of International Regulatory Cooperation 国际规制合作的政治经济学
IF 10.7 1区 经济学
American Economic Review Pub Date : 2023-08-01 DOI: 10.1257/aer.20200780
G. Maggi, Ralph Ossa
{"title":"The Political Economy of International Regulatory Cooperation","authors":"G. Maggi, Ralph Ossa","doi":"10.1257/aer.20200780","DOIUrl":"https://doi.org/10.1257/aer.20200780","url":null,"abstract":"We examine international regulatory agreements that are negotiated under lobbying pressures from producer groups. The way in which lobbying influences the cooperative setting of regulatory policies, as well as the welfare impacts of international agreements, depend crucially on whether the interests of producers in different countries are aligned or in conflict. The former situation tends to occur for product standards, while the latter tends to occur for process standards. We find that, if producer lobbies are strong enough, agreements on product standards lead to excessive deregulation and decrease welfare, while agreements on process standards tighten regulations and enhance welfare. (JEL F13, F14, F15, L15, L51)","PeriodicalId":48472,"journal":{"name":"American Economic Review","volume":"84 1","pages":""},"PeriodicalIF":10.7,"publicationDate":"2023-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81766377","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"经济学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 4
Dividend Taxes and the Allocation of Capital: Comment 股息税与资本分配:评论
IF 10.7 1区 经济学
American Economic Review Pub Date : 2023-07-01 DOI: 10.1257/aer.20221432
L. Bach, Antoine Bozio, Arthur Guillouzouic, C. Malgouyres
{"title":"Dividend Taxes and the Allocation of Capital: Comment","authors":"L. Bach, Antoine Bozio, Arthur Guillouzouic, C. Malgouyres","doi":"10.1257/aer.20221432","DOIUrl":"https://doi.org/10.1257/aer.20221432","url":null,"abstract":"Boissel and Matray (2022) find that investment increased after 2013 in French firms facing higher dividend taxes. We identify an alteration in the code plotting the event study of the effect of this reform on investment. Using identical data and removing this alteration, we find differential pre-trends between treated and control firms. We also establish that the controls referred to as “size growth,” used in all the difference-in-difference specifications, effectively are controls for lagged investment, i.e., the main outcome variable. Removing such controls attenuates differential pre-trends but leaves no clear event study evidence of a positive effect of dividend taxation on investment. (JEL D22, G31, G35, H25, H32)","PeriodicalId":48472,"journal":{"name":"American Economic Review","volume":"145 1","pages":""},"PeriodicalIF":10.7,"publicationDate":"2023-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79941431","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"经济学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
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