Showing 1 - 10 of 12
Persistent link: https://www.econbiz.de/10011325329
We provide a new framework for modeling trends and periodic patterns in high-frequency financial data. Seeking adaptivity to ever-changing market conditions, we enlarge the Fourier flexible form into a richer functional class: both our smooth trend and the seasonality are non-parametrically...
Persistent link: https://www.econbiz.de/10011755303
The measurement of treatment (intervention) effects on a single (or just a few) treated unit(s) based on counterfactuals constructed from artificial controls has become a popular practice in applied statistics and economics since the proposal of the synthetic control method. In high-dimensional...
Persistent link: https://www.econbiz.de/10012817068
Factor and sparse models are two widely used methods to impose a low-dimensional structure in high dimension. They are seemingly mutually exclusive. In this paper, we propose a simple lifting method that combines the merits of these two models in a supervised learning methodology that allows to...
Persistent link: https://www.econbiz.de/10012817071
High-dimensional covariates often admit linear factor structure. To effectively screen correlated covariates in high-dimension, we propose a conditional variable screening test based on non-parametric regression using neural networks due to their representation power. We ask the question whether...
Persistent link: https://www.econbiz.de/10015063853
We examine the effect of attending academically selective high schools on test scores, by leveraging administrative data that matches high school preferences of the population of urban middle school graduates in one Chinese prefecture in 2010 with high school student records. The standard...
Persistent link: https://www.econbiz.de/10014296500
Als im Jahre 1979 das Gesetz über die Öffnung der VR China für ausländische Direktinvestitionen (foreign direct investment FDD von der Regierung in Beijing verabschiedet wurde, war die Wirtschaft des Landes schon mehr als zwei Jahrzehnte lang der Reglementierung einer zentralen Planung...
Persistent link: https://www.econbiz.de/10010275188
Im Rahmen ihrer seit 1979 verfolgten wirtschaftlichen Öffnungspolitik hat die VR China vor allem in Küstenregionen besondere Anreize für die Attraktion von ausländischen Direktinvestitionen (FDI) geschaffen. Den vier Wirtschaftszonen (WSZ), einigen offenen Küstenstädten sowie den offenen...
Persistent link: https://www.econbiz.de/10010275254
Die seit 1979 verfolgte Öffnungspolitik der VR China soll eine Modernisierung der Volkswirtschaft ermöglichen mit dem Ziel, die Agrar- und Industrieproduktion bis zum Jahr 2000 zu vervierfachen. Diesem Ziel sollen ein neu geschaffenes Wirtschaftsrecht, eine Dezentralisierung wirtschaftlicher...
Persistent link: https://www.econbiz.de/10010305369
This study investigates the impacts of Chinese high-tech enterprise certification policy on enterprise innovation by exploiting the unique data of listed companies and their affiliates from 2006 to 2015. The authors exclude firms certified after year 2009 from the sample, because they may have...
Persistent link: https://www.econbiz.de/10011944321