This paper provides an economic analysis of illegal sports bookmaking using detailed records from six bookmakers who operated in the 1990s. These operations are structured like standard firms and utilize incentive contracts to induce appropriate employee behavior. The bookmakers offer prices which closely follow the geographically separated legal market, but larger operations price discriminate...

Illegal and unreported fishing contributes to overexploitation of fish stocks and is a hindrance to the recovery of fish populations and ecosystems. This study is the first to undertake a world-wide analysis of illegal and unreported fishing. Reviewing the situation in 54 countries and on the high seas, we estimate that lower and upper estimates of the total value of current illegal and unrepor...

OBJECTIVE Alcohol and other drug use appears to reduce decision-making ability and increase the risk of unsafe sex, leading to possible unplanned pregnancies, sexually transmitted diseases/human immunodeficiency virus/HIV transmission, and multiple sexual partners. This study aimed to test the hypothesis that risky sexual behaviors among adolescents are associated with legal and illegal drug us...

The Sulu-Sulawesi Sea, with neighboring Indonesian Seas and South China Sea, lies at the center of the world's tropical marine biodiversity. Encircled by 3 populous, developing nations, the Philippines, Indonesia and Malaysia, the Sea and its adjacent coastal and terrestrial ecosystems, supports ca. 33 million people, most with subsistence livelihoods heavily reliant on its renewable natural re...

BACKGROUND Across the world, millions of women unintentionally become pregnant and decide to terminate the pregnancy. Despite progressive abortion laws in South Africa (SA), evidence suggests that many women of all ages still resort to unsafe terminations outside legal, designated facilities. Media reports alert the public to an increase in the illegal dumping of fetuses and abandoned babies, s...

Illegal use of reserved parking spaces represents a major obstacle to the independence and mobility of people with physical disabilities. Using an ABACACA reversal design, the daily rates of illegal parking in four reserved spaces were examined across three types of sign displays: (a) a vertical sign alone or in combination with (b) a message sign that announced the possibility of public survei...

Data from a previous study of 1036 young people in the Lothian region that indicated an association between unemployment and illegal drug use were examined in more depth to investigate the inter-relation between duration of unemployment and the use of illegal drugs, alcohol, and tobacco. After factors such as social class background and educational qualifications had been taken into account a w...

An inter-governmental body is encouraging the replacement of currency with the objective of discouraging illegal economic activities. This policy is analyzed in a searchtheoretic model where individuals choose legal or illegal production, settle trades via monetary or costly intermediated exchange, and where the government imperfectly monitors monetary transactions. Stationary monetary equilibr...

BACKGROUND The use of mHealth methods for capturing illicit drug use and associated behaviors have become more widely used in research settings, yet there is little research as to how valid these methods are compared to known measures of capturing and quantifying drug use. OBJECTIVE We examined the concordance of ecological momentary assessment (EMA) of drug use to previously validated biolog...