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Résumé (français)

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Résumé (anglais)

This paper analyzes how firms respond to an Internet of Things technology that reduces significantly the tax authorities’ marginal cost of monitoring firm activity. More precisely, we analyze how mandating every restaurant of a single Canadian province to have sales recording modules (SRMs) affects restaurant sales, expenses and profits. We estimate that SRMs increase reported sales by 5.8% to 9.8% on average and that this increase is almost completely offset by an equal increase in expenses, including wages. As a result, the firms’ taxable income remains mostly unchanged. Our results suggest that sales tax remittance enforcement at the firm level spills over to other firm stakeholders, such as employees and suppliers. Overall, the one-time cost of the device needed to monitor sales more efficiently is small compared with the recurring benefits for tax authorities.