Parents preferring sons tend to go on to have more children until one or more boys are born, and to concentrate investment in boys for a given sibsize. Therefore, having a brother may affect child outcomes in two ways: indirectly, by decreasing sibsize, and directly, where sibsize remains...

Marketing strategy has been justified by a number of criteria, including brand awareness, consumer attitudes, repeat buying and ratings of customer satisfaction; but the existing literature indicates the existence of weak relationships between these variables and sales, and almost no...