Martin C. Byford

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BACKGROUND Cognitive ability is an important contributor to life chances, with implications for cycles of advantage or disadvantage across generations. Parenting practices are known to influence offspring cognitive development, but the extent to which these mediate intergenerational continuities and discontinuities in cognitive ability has not been(More)
This paper is the first to examine collusion at the extensive margin (whereby firms collude by avoiding entry into each other's markets or territories). We demonstrate that such collusion offers distinct predictions for the role of multiple markets in sustaining collusion such as the use of proportionate response enforcement mechanisms, the possibilities of(More)
We provide a new model that generates persistent performance differences amongst seemingly similar enterprises. Our model provides a mechanism whereby efficient incumbent rivals can give permission for an inefficient firm to exist in the presence of efficient entrants. We demonstrate that, in a repeated game, an efficient incumbent has a unilateral(More)
BACKGROUND Adolescent mental health problems are associated with a range of adverse outcomes in adulthood but little is known about the effects on adult parenting practices. This study aimed to examine prospective associations between adolescent conduct and emotional problems and subsequent parenting behaviours in adulthood. METHODS The study sample(More)
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