It has been recognized that when a durable goods manufacturer sells her output, she has an incentive to produce at a rate that will drive down the market price of her product over time. Because anticipation of declining prices makes consumers less willing to invest in owning the durable good, selling can be self-defeating for the manufacturer. If instead, the manufacturer leases her product, sh...

m It has been previously reported that lens fluorescence increases with age and is due to s fluorogeo tightly bound to lens proteins. In this study, we iind that xsathureaic acid axcumulates with age in human eye. Its derivatives, repotted by us ss OX4 and DOXA, formes fluorescent conjugates with the crysttdlins leading IO their aggregation. &&&I& Absorption spectrometry and flue-ce spectrometr...

m It has been previously reported that lens fluorescence increases with age and is due to s fluorogeo tightly bound to lens proteins. In this study, we iind that xsathureaic acid axcumulates with age in human eye. Its derivatives, repotted by us ss OX4 and DOXA, formes fluorescent conjugates with the crysttdlins leading IO their aggregation. &&&I& Absorption spectrometry and flue-ce spectrometr...

Starting from a detailed interpretation of P. Oxy. LXXVII 5123 (ad 555), I argue that the Apion estate favoured tenancy arrangement with its enapographoi georgoi, farmers registered on tax-rolls. Such leases left them marketable surplus produce in remuneration, which they could sell either to their own or outside parties. Contrary now current view Apionic georgoi as directly managed permanent e...