abstract barberry is one of the most important products of south khorasan province. the objective of this study is analyzing the qualitative factors affecting the price of barberry in this province. survey data from 100 questionnaires using simple random sampling of households in the city of birjand, 1389 has been completed, was extracted. results of the estimating hedonic price model show that...

Chiral phase transitions driven by space-time curvature effects are investigated in de Sitter space in the supersymmetric Nambu-Jona-Lasinio model with soft supersymmetry breaking. The model is considered to be suitable for the analysis of possible phase transitions in inflationary universe. It is found that a restoration of the broken chiral symmetry takes place in two patterns for increasing ...

This paper examines historical Bitcoin price data together with the of a well-known and generally accepted asset bubble (the 1720 South Sea Bubble) aim identifying possible similarities. In order to find empirical evidence speculative tendencies, article analyses distribution moments autoregressive models time series both assets. Results show that daily prices assets—taking into account one yea...

The aim of this paper is to propose a heterogeneous agent model of stock markets that develop complicated endogenous price fluctuations. We find occurrences of non-stationary chaos, or speculative bubble, are caused by the heterogeneity of traders’ strategies. Furthermore, we show that the distributions of returns generated from the heterogeneous agent model have fat tails, a remarkable stylize...

Chiral phase transitions driven by space-time curvature effects are investigated in de Sitter space in the supersymmetric Nambu–Jona-Lasinio model with soft supersymmetry breaking. The model is considered to be suitable for the analysis of possible phase transitions in inflationary universe. It is found that a restoration of the broken chiral symmetry takes place in two patterns for increasing ...

This paper addresses the statistical properties of time series driven by rational bubbles à la Blanchard and Watson (1982). Using insights on the behavior of multiplicative stochastic processes, we demonstrate that the tails of the unconditional distribution emerging from such bubble processes follow power-laws (exhibit hyperbolic decline). More precisely, we find that rational bubbles predict ...

Generally, high oil prices slow economic growth, cause inflationary pressures and creates global imbalances. In addition, oil price volatility increase uncertainty and restrain the much-needed investment in the capital market. Thus, this paper applies the Augmented Dickey Fuller and Johansen Co-integration Tests in which the effect of oil price volatility, crude oil price and stock price is ana...

In this paper we study the accruement and decay of asset price bubbles under the assumption that young agents behave boundedly rationally when rst entering the market and then gain more and more experience when growing older, nally reaching a state of perfect rational behavior. We set up an overlapping generations model where agents form their beliefs about the payo of a risky asset by combinin...

In this study, I analyze Bitcoin transaction data and build an economic model on Bitcoin traders incentives to decompose the Bitcoin price into a utility-driven component, a speculative component, and a friction component. The model I build extends the LDA (Latent-Dirichlet-Allocation) model, and I perform a paralleled collapsed Gibbs Sampling method to estimate the realized incentives of each ...

The regulated price policy may be implemented for some products. It is generally implemented for some products such as electricity, natural gas, water and so on that are supplied as monopolist. The regulated price shock on these products may lead to an adjustment in the endowments of primary factors. The aim of this paper is to investigate the effects of a regulated price shock on price indices...