In order to reduce the shadow economy, in 2013 and 2014 the Hungarian government introduced mandatory online cash registers (OCR) in some sectors. As a result, almost 200,000 OCRs have been installed by 100,000 enterprises. In this paper we use micro data to estimate the effect of OCR...

Online cash registers (OCRs) are important tools for reducing the size of the shadow economy. This paper analyzes the impact on reported turnover and tax liability of introducing OCRs in Hungary using a fixed-effects panel and event study model. We identify strong size-related heterogeneity in...