We empirically investigate fluctuations in product prices in online markets by using a tick-bytick price data collected from a Japanese price comparison site, and find some similarities and differences between product and asset prices. The average price of a product across e-retailers behaves almost like a random walk, although the probability of price increase/decrease is higher conditional on...

thermal behavior of various solid feldspars are different, namely those of bivalent cations show no change in the distribution of al and si atoms, whereas feldspars of univalent cations become more disordered with raising temperature. in the latter case al atoms migrate from the sites they occupe at low temperatures and interchange positions with the si atoms. at high temperatures (but still be...

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according to stock price excessive volatility in tehran stock exchange, the price limit mechanism is utilized in order to making the price fluctuation narrow and based on the specific periods, the price limit has encountered some variations which price limit has been determined by try and error within these periods and in a short stage of time many modifications existed through the applications...

Abstract T he relationship between public sector deficits and inflation is one of the important and controversial issues in the academic literature as well as in economic policy field. On the other hand, a major objective of macroeconomic policies is to foster economic growth and to keep inflation on a low level. So keeping the price stability plays an important role in de...

Correspondence: Hugh J Freeman UBC Hospital, 2211 wesbrook Mall, vancouver, BC, Canada v6T 1w5 Tel +604 822 7216 Fax +604 822 7236 Email [email protected] Abstract: Different hepatic and biliary tract disorders may occur with celiac disease. Some have been hypothesized to share genetic or immunopathogenetic factors, such as primary biliary cirrhosis, primary sclerosing cholangitis, and autoimmune...