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A model of reputation is developed to show how firms operating in concentrated sectors can use the sponsorship of general human capital investments to specifically trained workers as a device of commitment with prospective employees. Employees of firms that operate in concentrated sectors learn skills that are valuable only for a limited number of alternative employers. This gives monopsonistic power to the training firm over the trained workers. Anticipating it, potential employees will be reluctant to work for the firm unless the employer is able to commit oneself’ must be turned back to ‘herself. I argue that human resource policies including the provision of general human capital to workers reduce employers’ commitment costs. Evidence from two representative samples of workers from Spain and the United Kingdom show that, consistent with the predictions of the model, firms from more concentrated sectors are more likely to sponsor their employees’ education.

This study explores the concept of hydraulic flushing gate with an automated control system as a flow control structure of the urban storm water system. The research team has implemented a flush gate with the automated control system to the flow of the water in a drainage channel. The flow control structure was used to determine the effectiveness of such design by applying the concept of virtually on a real-world drainage system at Jalan Astana, Kuching. Computer representations of the existing drainage system and flow control structure were built using EPA SWMM 5.0 model. The series of flow control structure was proven to hold the runoff from 10-year storm. The modelling result shows that there is 25.9% of flow reduction at outlet node. As a modification of the existing drainage system in the urban area involves high construction cost, by installing a flow control structure in the drainage system is an innovative way to control the flow of the water.