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The aim of the paper is to take a closer look from a transaction cost perspective at empirical findings on the changing role of the State as a guarantor of public services. In recent years, a number of economic and legal research efforts have been devoted to analyse under which conditions and for which public services specific organizational forms and institutional arrangements would be adequate. The empirical evidence referred to for the public services supports in principle central statements and hypotheses of transaction cost theory and leads to some important conclusions for empirical research and for policy recommendations.

The present article is meant as an introduction to the three contributions on local public transport, water services and waste management resulting from a research of CIRIEC International Scientific Commission on ‘Public Services/Public Enterprises’, launched in 2008. The main purpose of the research was to produce a cross section description of essential and widely used local public services in different countries and to investigate their evolution over the last two or three decades. We give here a transversal overview of general common trends in the three analyzed sectors. We explain the increasing autonomy and separation of decision levels in planning and governance processes, describe the changing role and nature of the provider of public services, depict some peculiarities of the structure and the process of regulation, and deal finally with some remarks on funding policies. We show that unquestionably EU directives and regulations did have a definite impact on the way the services were supplied; however this has not produced a prevailing ‘European model’ in all member States. Our research shows clearly that as of now the EU area offers very different models of local public services. The variety of solutions adopted is impressive. Each concrete choice regarding regulation, market governance, planning and provision depends in the end on a negotiation between the central state, local authorities, bureaucracy, trade unions, pressure groups such as private enterprises and users of the service. The existence of different solutions adopted by different countries and within the same sector could mean that a compulsory policy towards a uniform solution, as frequently favoured by the EU, is not convincing and should not be supported. Since there is no evidence that the different solutions produce different degrees of efficiency and effectiveness, they could represent appropriate forms of adaptation to national overall characteristics and changing citizens’ needs.

PurposeThis paper investigates the extent, the determinants and the change in the gender pay gap in Vietnam in the period 2010–2016 in order to provide suggestions for policy adjustment to narrow gender pay inequality more effectively.Design/methodology/approachThis study employs the propensity score matching (PSM) method to examine inequality in pay between female and male earners sharing identical characteristics. The analysis is conducted for both the full sample and various characteristic-based subsamples. This procedure is conducted for 2010 and 2016 separately to discover the change in gap and inequality during this period.FindingsThe matching results based on the data sets taken from the Vietnam Household Living Standards Survey (VHLSS) 2010 and 2016 affirm that gender income inequality in Vietnam, though persisted, decreased significantly in 2016 compared to 2010, and was insignificant in many subsamples in 2016. In addition to the observable determinants including educational level, occupation, economic sector and industry, unobservable factors are proved to also play an important role in creating the gender pay gap in Vietnam.Practical implicationsThe research findings suggest that policies aimed at mitigating gender pay inequality should take into account both observable characteristics and unobservable factors such as unobservable gender differences that affect wages and gender discrimination in pay.Originality/valueThis is the first study using a matching technique to investigate gender wage gap in Vietnam. With up-to-date data, longer research period and the superiority of the method used in dealing with sample selection bias, the results obtained are more robust, more detailed and reliable.