Resource rent in aquaculture (RRA) is any payment to a farm and site owner, on land or sea, in excess of the costs needed to bring that farm into production. For analytic and policy purposes it may be useful to distinguish among different types of RRA. Three types will be discussed: rent associated with the classical economists Ricardo (1821) and Faustmann (1849), as well as oligopoly rent from access regulation (licensing) and hampered output. The latter can arise in the case of downward sloping demand for a particular type of seafood from an aquaculture country.

The impact of economic activity on the environment is considered an external effect when it is not taken into account in the decision‐making process of economic agents. This chapter introduces the general functioning of traditional forms of environmental regulation with examples of application.

The paper adopts the bootstrap procedures for data envelopment analysis to analyze the technical efficiency in the Vietnam’s intensive white-leg shrimp farming. The results demonstrate that the null hypothesis of constant returns-to-scale is rejected in favor of variable returns-to-scale for the production technology. Moreover, the potential improvement is greater using bootstrapping than that achieved by using the conventional data envelopment analysis, which has been widely adopted in the aquaculture literature for technical efficiency estimation.

Objectives

To document the prevalence of overweight and obesity and examine associated risk factors.

Study design

A cross-sectional survey was conducted in 16 primary public schools in eight districts of Ho Chi Minh City in 2016. A multistage clustering sampling method was used to collect a sample of 1806 pupils attending the first, second, and third grades (7–9 years).

Flood risk management has become important more than ever, because an escalating threat of unpredictable and extreme weather is affecting flood-prone communities. People-centred risk communication has been proposed as an effective strategy that can stimulate people to protect themselves against flood risks. However, little research with a sound theoretical underpinning has been done to examine the effectiveness of such a strategy in developing countries. We use a field experiment to analyse how risk communication can influence households’ intentions to implement mitigation measures.

Evidence of market integration between farmed pangasius and wild-caught whitefish is provided in the literature, pointing towards pangasius prices being determined on the large international whitefish market. In the presence of price transmission in the value chain, global growth of pangasius farming does therefore not in itself reduce the farm-gate prices in Vietnam. In this paper, price transmission in the pangasius value chain from farmers in Vietnam, via export to final consumption in Germany, is tested using the Johansen cointegration framework.

Tourism development is considered a key accompanying strategy in creating alternative livelihood options for the communities living in and adjacent to the Marine Protected Areas. This paper examines the socioeconomic characteristics of the Nha Trang Bay protected area to determine the factors that influence the decision to participate in tourism sectors, and analyse whether these decisions would help to improve the economic wellbeing of the local communities.