Showing 1 - 10 of 143
-driving (immigration) regime. The connectivity and the number of species are linked through a scaling relation which is the one observed in …
Persistent link: https://www.econbiz.de/10005739981
In July of 2002, the Sarbanes-Oxley Act was passed by Congress, including section 404 which requires the auditors to test and opine on the company's internal controls. Since that time there has been much debate about whether the intended benefits of increased investor confidence and financial...
Persistent link: https://www.econbiz.de/10009430020
is based on the assumption that national context matters. We argue that the chances for scaling local experiments between … the strengths and weaknesses of their climate policies. Second, we assess the scaling potential of local experiments, in … analyze actual scaling between the two German cities, which share the same national context. More generally, we explore how …
Persistent link: https://www.econbiz.de/10013480156
The creation and scaling of startups are inherently linked to risk-taking, with various types of owners handling these … regarding research and scaling. It outlines conditions under which VC-backed startups prefer riskier, yet potentially more …
Persistent link: https://www.econbiz.de/10015047240
fractal power laws and scaling will be explained. The main part focuses on the estimation of the tail index as a scaling …
Persistent link: https://www.econbiz.de/10009467109
bonds) and analyze their multi-scaling properties by estimating the parameters of a Markov-switching multifractal model (MSM … general, the Lognormal MSM models generate ?apparent? long memory in good agreement with empirical scaling provided one uses …
Persistent link: https://www.econbiz.de/10010295131
Guttman (1947) developed a scaling method in which the items measuring an attribute can be ordered according to the … strength of the attribute. The Guttman scaling model assumes that every member of the population belongs to a scale type and … contingency tables, pi-star can be applied to latent class models, including scaling models for dichotomous data. This study …
Persistent link: https://www.econbiz.de/10009450865
to measure price changes, which dependence is often referred to as the scaling law.Scaling factor, on the other hand … the scaling factor differs from the one in a simple random walk model and whether it has remained stable over time.It also … multiscaling in Finnish stock markets.Furthermore, the scaling factor and the long-memory parameters of the volatility series are …
Persistent link: https://www.econbiz.de/10012147956
This paper evaluates the causal impacts of an early childhood home visiting program for which treatment is randomly assigned. We estimate multivariate latent skill profiles for individual children and compare treatments and controls. We identify average treatment effects of skills on performance...
Persistent link: https://www.econbiz.de/10012270024
This paper uses random assignment to estimate the causal impacts on child skills of a widely emulated early childhood home visiting program. We show the feasibility of replicating it at scale. We estimate vectors of latent skills for individual children and compare treatments and controls. The...
Persistent link: https://www.econbiz.de/10013177773