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Financial markets play a vital role in supplying and facilitating the flow of funds into production and industry sectors of economy and can result into the acceleration of economic growth. Indeed, many experts believe that the development of financial markets acts as the engine for growth. The main objective of this paper is analyzing the relationships between financial market development and economic growth through focusing on Iranian economy and thirteen other countries for the period 1988-2003. In this regard in addition to the Beck and Levin model (2003), we have used three versions of Granger–Casualty approach, Cointegartion test and panel data estimation procedure. Casualty test shows that in Iran, bank and stock market size have no strong effect on economic growth despite the fact that the effect of economic growth on stock market is positive and meaningful. The results of panel data estimation revealed that in real terms, investment and labor force, positively and strongly affect economic growth. In the money sector, the effects of banking system are statistically acceptable, although the positive effect of stock market is not statistically acceptable. The absence of Long–run co integration relation between financial markets and economic growth for the period 1976-2003 is the result of Auto-Regressive Distributed Lag Estimation. In sum, the long – run relation between money market and economic growth is negative and this true for the Iranian economy.

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The consumer demand to use natural preservatives in food products instead of synthetic ones and awareness about not using plastic is increasing. In this research, chitosan-potato starch film containing celery seed extract was prepared at different concentration levels (0.5, 2 and 8%) and the physical properties of the film (thickness, moisture content and solubility), mechanical properties and antioxidant activity also determined. Then, the chicken fillet wrapped by the film was kept in the refrigerator for 15 days and the microbial growth and primary and secondary oxidation compounds formation with peroxide value and thiobarbituric acid and sensory evaluation was also monitored during the storage time. The results showed that the total phenol and flavonoid content of celery seed extract was 70.67±7.8 mgGA/g of extract and 62.81±5.65 mg Quercetin/g of extract, respectively. Addition of celery seed extract (2 and 8%) decreased the moisture content and solubility of the film due to the increase of the film hydrophobicity. Also, by adding the celey seed extract, the elongation at break of the film increased, while the tensile strength and elastic modulus decreased. With the increase in the concentration of the celery seed extract in the film, the DPPH free radical inhibition increases from 14.69 to 73.94%. According to the results of microbial and oxidation tests as well as sensory evaluation, coating a chicken fillet with a chitosan-potato starch film containing 8% celery seed extract would increase its shelf life by up to 15 days.