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This paper studies the cross-sectional properties of return forecasts derived from Fama-MacBeth regressions. These forecasts… Expand Microenvironments appear important in stem cell lineage specification but can be difficult to adequately characterize or control… Expand A review of the literature suggests that few studies use formative indicator measurement models, even though they should… Expand services are specified here by describing the service primitives and parameters that characterize each service. This definition… Expand We analyze the empirical power and specification of test statistics in event studies designed to detect long-run (one- to five… Expand From the Publisher:
This is a book on practical feedback control and not on system theory in general. Feedback is used in… Expand Monte Carlo computer simulations were used to investigate the performance of three X 2 test statistics in confirmatory factor… Expand Abstract To support the sharing and reuse of formally represented knowledge among AI systems, it is useful to define the common… Expand A nonlinear differential equation of the Riccati type is derived for the covariance matrix of the optimal filtering error. The… Expand Information theory has recently been employed to specify more precisely than has hitherto been possible man's capacity in certain… Expand