The new Coronavirus pandemic (COVID-19), which began in late 2019 in China, lead to a health and economic crisis of significant proportions. The decrease in economic activity in order to prevent further spread of the disease affected all economic sectors, resulting in the unprecedented loss of...

One way to reduce inequality and poverty is to promote tax justice. In 2021, the government of the state of Rio Grande do Sul, Brazil, implemented a program (the Devolve-ICMS Program) that refunds consumption tax to low-income citizens (cashback). This study aims to evaluate the impacts of this...

The Menor Preço Brasil application, based on a version developed in the state of Rio Grande do Sul, was launched in 2019 with the aim of expanding digital services to citizens. This application provides information on the nearest establishments and their product prices based on issued invoices....