Contents 1. Introduction 2. The unique character of forestry planting stock 2.1 Nursery-cultured planting stock 2.2 Wildings 3. The role of forest nurseries in forest management 4. Does the nursery affect the planting stock? 5. Types of nurseries 5.1 Bareroot nurseries 5.2 Container nurseries 5.3 A combination of container and bareroot nursery culture 6. Establishing a new nursery 6.1 Economic ...

Stock price has been found to provide important information about future economic activities. Fama (1981), Fischer and Merton (1984), and Barro (1990), among many others, document a positive relation between stock market return and subsequent growth in investment and output. These findings are consistent with rational expectations asset pricing models, in which stock price is equal to the sum o...

Joint-stock cooperative company is not recognized in Commercial Code of Iran and the amendment bill of the Commercial Code adopted in 1968. This business entity has a unique description because of both being cooperative and having joint stock. It is a joint-stock company that is chartered based on Commercial Code of Iran, amendment bill of the Commercial Code adopted in 1968, and Principle 44 o...

The nonlinear stochastic model of updating of industrial stocks is considered in the paper. The purposes of work are: 1. To define an optimum strategy of updating of industrial stocks and reductions of the expenses connected to their storage; 2. To combine the modeling process with the real information describing the process of industrial stocks management in real time; 3. To take to account th...

Stock price crash risk is a phenomenon in which stock prices are subject to severe negative and sudden adjustments. So far, different approaches have been proposed to model and predict  the  stock price crash risk, which in most cases have been the main emphasis on the factors affecting it, and often traditional methods have been used for prediction. On the other hand, using  Meta Heuristic Alg...

This paper is concerned with valuation of stock loans. The underlying stock price is assumed to follow a mean reverting uncertain differential equation driven by canonical Liu process in this paper. The price formulas of standard stock loan and capped stock loan are derived by using method of uncertain calculus within the framework of uncertainty theory.

This paper uses a quantile impulse response approach to investigate the impact of oil price shocks on Chinese stock returns. This process allows us to uncover asymmetric effects of oil price shocks on stock market returns by taking into account the different quantiles of oil price shocks. Our results show that the responses of Chinese stock market returns to oil price shocks differ greatly, dep...

Stock prices prediction is interesting and challenging research topic. Developed countries' economies are measured according to their power economy. Currently, stock markets are considered to be an illustrious trading field because in many cases it gives easy profits with low risk rate of return. Stock market with its huge and dynamic information sources is considered as a suitable environment ...

Twitter is a widely used online social media. One important characteristic of Twitter is its real-time nature. In this paper, we investigate whether the daily number of tweets that mention Standard & Poor 500 (S&P 500) stocks is correlated with S&P 500 stock indicators (stock price and traded volume) at three different levels, from the stock market to industry sector and individual company stoc...