小众消费的兴起

IF 6.3 1区经济学 Q1 ECONOMICS

American Economic Journal-Macroeconomics Pub Date : 2023-07-01 DOI:10.1257/mac.20210263

Brent Neiman, Joseph Vavra

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引用次数: 1

摘要

在过去的15年里，个人家庭把他们的支出集中在少数几个喜欢的产品上。然而，这并不是因为“超级明星”产品占据了更大的市场份额。相反，越来越多的家庭相互购买不同的产品。因此，总支出集中度下降了。我们开发了一个异质家庭需求模型，并使用它得出结论，增加产品种类驱动这些不同的趋势。当有更多的产品可供选择时，家庭会选择更符合自己口味的产品。在我们的数据涵盖的类别中，这带来的福利收益相当于每年约0.5%。(jel d12, d91, e21, l66)

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The Rise of Niche Consumption

Over the last 15 years, individual households have concentrated their spending on a few preferred products. However, this is not driven by “superstar” products capturing larger market shares. Instead, households increasingly purchase different products from each other. As a result, aggregate spending concentration has decreased. We develop a model of heterogeneous household demand and use it to conclude that increasing product variety drives these divergent trends. When more products are available, households select products better matched to their tastes. This delivers welfare gains from selection equal to about half a percent per year in the categories covered by our data. (JEL D12, D91, E21, L66)

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来源期刊

American Economic Journal-Macroeconomics ECONOMICS-

CiteScore

8.20

自引率

1.70%

发文量

期刊介绍： American Economic Journal: Macroeconomics focuses on studies of aggregate fluctuations and growth, and the role of policy in that context. Such studies often borrow from and interact with research in other fields, such as monetary theory, industrial organization, finance, labor economics, political economy, public finance, international economics, and development economics. To the extent that they make a contribution to macroeconomics, papers in these fields are also welcome.