We analyze the effects of shale oil development on regional labor markets.By exploiting the exogenous geographic endowment of shale oil and gas, we find that shale endowments have differential impacts on workers in and out of the labor market.After introducing new shale technologies in 2006, shale oil Mineral Water and gas significantly increased t
The strength of concrete is Bearings considered as the most basic and important material property in the design of reinforced concrete structures.The two standard methods (ASTMC39-03 and BS1881-part 116) for determining the compressive strength of concrete are the testing to failure of cylinder and cube specimens respectively.It has become a proble
Several tools of Information and Communication Technology (ICT) are being used nowadays to support customer relationship processes.Literature review shows that, in the Quilting Greeting Cards selection and deployment of these tools, internal goals of productivity and efficiency predominate.In just a few situations, the objective is offering higher
This study examined whether nighttime light can be a proxy for building height.It is important for estimating an urban environment and urban design and understanding industrial clusters.However, it is necessary to purchase height data for a wide range of buildings, and it is difficult to obtain data in a Oven Handle time series.In this study, we ex