Sub-Saharan Africa economies introduced extensive reforms of their tax systems in the last two decades. In most of these countries taxes are now remitted through the self-assessment system that relies on quasi voluntary compliance and audit selection by risk. However, the revenues from direct...

In this paper the main focus lies on the shadow economy and on work in the shadow. The most influential factors on the shadow economy are tax policies and state regulation. The size of the shadow economy was decreasing over 1999 to 2007 from 34.0% to 31.2% for 161 countries (unweighted average)....

There is a growing interest in morale as a potential substitute for sanctions, encouraged by exerimental evidence that people's morale affect their economic decisions. I show that while morale may be a substitute for sanctions for each citizen, it is not a substitute in the market. In a model...

This paper provides an evidence-based evaluation of the competing ways of explaining and tackling the informal economy. Conventionally, participants have been viewed as rational economic actors who engage in the informal economy when the benefits outweigh the costs, and thus participation is...

Revenues from taxation gain importance to finance economic development in sub-Saharan Africa. Extortion of bribes by public officials can provide one obstacle for tax compliance. This paper uses micro-level data from the Afrobarometer to analyse how petty corruption erodes tax morale. A...

In recent years, participants in the informal economy have started to be viewed less as rational economic actors who engage in the informal economy when the pay-off is greater than the expected cost of being caught and punished, and more as social actors who engage when their tax morale (i.e.,...

Recently, there has been growing recognition that some formal employees receive from their formal employers two wages, namely an official declared wage plus an additional undeclared (envelope) wage, which reduces the tax and social contributions paid to the authorities. The aim of this paper is...

Arguably, for many citizens the perceived expected disutility from sanctions is smaller than the monetary gain from tax evasion. Nevertheless most people pay their taxes most of the time. In a lab experiment, we show that the willingness to pay taxes even absent enforcement is indeed pronounced....

Although paying taxes is a key element in a well-functioning civilized society, the understanding of why people pay taxes is still limited. What current evidence shows is that, given relatively low audit probabilities and penalties in case of tax evasion, compliance levels are higher than would...

Following the behavioural branch of tax compliance literature, this paper tries to incorporate tax morale into the optimal taxation theory. We show that tax morale affects the optimal mix of policy tools of deterrence to clamp down tax evasion. The optimal tax policy in fact differs according to...