کارآمد بودن بازارهای سیاه؟ /  Efficient black markets?

 کارآمد بودن بازارهای سیاه؟  Efficient black markets?

  • نوع فایل : کتاب
  • زبان : انگلیسی
  • ناشر : Elsevier
  • چاپ و سال / کشور: 2017

توضیحات

رشته های مرتبط  اقتصاد و حسابداری
گرایش های مرتبط حسابداری مالیاتی، اقتصاد پولی و اقتصاد مالی
مجله   اقتصاد عمومی – Journal of Public Economics
دانشگاه Department of Economics, Marshall-Adams Hall, Michigan State University, United States

نشریه  نشریه الزویر

Description

1. Introduction By their nature, black-market activities are difficult to measure. Nevertheless, there is widespread agreement that black-market activities account for a significant portion of GDP in many countries.1 Less clear, however, are the welfare effects of such activities, particularly those motivated by tax evasion. In his leading undergraduate text on public finance, Rosen (2005, p. 353) states a second best argument for why a black market, or an “underground economy,” might be efficiency-enhancing in some cases: “Then under certain conditions, the existence of an underground economy raises social welfare. For example, if the supply of labor is more elastic to the underground economy than to the regular economy, optimal tax theory suggests that the former be taxed at a relatively low rate.” But Slemrod and Bakija (2004, p. 179) expound an alternative view: “…because tax evasion depends on opportunities that are tied to particular activities, it provides an incentive—which is inefficient from a social point of view—to engage in those activities for which it is relatively easy to evade taxes.” 2 The first view focuses on the potential for the black market to increase incentives to provide resources to taxed activities, whereas the latter view emphasizes the distorting effect of the tax system on the allocation of resources across different taxed activities. The relative merits of these two views might seem to be purely an empirical matter, but the current paper argues that surprisingly sharp results can be obtained by placing both views within a single model. Following Slemrod and Bakija, we model a set of activities that differ in the expected rewards from operating in the black market. In particular, our activities are distinguished by the levels of assets that the tax authority is able to seize in the event that tax evasion is discovered. Low-asset activities (per unit of output) self-select into the black market because the potential fine from detection is relatively low. For simplicity, the model abstracts from the myriad other considerations behind the decision to enter the black market; in particular, all firms are randomly audited for tax purposes. Following Rosen, we next assume that the tax system distorts the decision of whether to devote resources to any taxed activity. In particular, activities are ranked by a continuous parameter called “quality,” interpreted here as the attribute of a good produced by firms. Each consumer purchases at most a unit of a variable-quality good, with choices based on a heterogeneous “taste” parameter. Recognizing the costs involved in administering a quality-differentiated tax system, we assume that the government’s expenditure needs are met by taxing all variable-quality goods at a uniform statutory rate. Such a tax system causes consumers with low tastes for quality to drop out of the market — that is, they devote no resources to purchasing variable-quality goods, whereas those who remain reduce the qualities of the goods that they purchase. With such a setup, we provide conditions that determine whether the black market consists of low- or high-quality goods. In the latter case, neither the Slemrod–Bakija nor Rosen arguments are relevant: a small black market (maintained through an appropriately low expected fine) does not distort consumption towards too much quality, because quality choices are already too low under a uniform tax; and it does not bring new consumers into the market for variable-quality goods. This case illustrates how a black market can be desirable, even when audits are costless, because it partially corrects the distorting effect that a uniform tax system has on the allocation of resources across taxed activities.
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