We propose a model of mobile agents to study the epidemic spreading in communities with different densities of agents, which aims to simulate the realistic situation of multiple cities. The model addresses the epidemic process from a community with threshold λc1 less than the infection rate λ...

The purpose of this study was to reveal the energy use and indoor environment characteristics of twelve households located in six cities in China, including daily use of gas and electricity, temperature and humidity throughout a year. The energy uses for district heating and hot water were not...

Based on the relationship between Archimedean copulas and l1-norm symmetric distributions, we propose a method to not only estimate the copula parameter but also select the copula model through the observation data in this paper. The strong consistency of the estimator is proved, and a Radial...

In this paper a weighted least square method is proposed to infer the change-point in AR(p) process with infinite variance, and a weighted cumulative sum statistic (CUSUM) is obtained. Based on the weighted CUSUM statistic the distribution of the test statistic is derived. The consistency and...

Asset location decisions observed in practice deviate substantially from the predictions of theoretical models. This paper develops a life cycle model with a progressive tax system to quantitatively evaluate two explanations of the asset location puzzle. We find that taxes matter significantly...

In this paper Chinese phrases are modeled using complex networks theory. We analyze statistical properties of the networks and find that phrase networks display some important features: not only small world and the power-law distribution, but also hierarchical structure and disassortative...

In this paper, Chinese character networks are modelled using complex networks theory. We analyze statistical properties of the networks and find that character networks also display two important features as other real networks, i.e., small-world feature and the non-Poisson distribution. These...

The stock market participation patterns differ significantly in taxable (TAs) and tax-deferred accounts (TDAs). This paper develops a quantitative life-cycle model to study the optimal stock market participation choice for households with assets in both TAs and TDAs. We find that differential...

This article provides new evidence on household asset location decisions using the latest Survey of Consumer Finances (SCF). The authors find that the difference between the equity share in tax-deferred accounts (TDAs) and the equity share in taxable accounts (TAs), a measure of asset location...