Background: Lactic acid bacteria are regarded the most important concerning food fermentation, pharmaceutical and special dietary applications. Strains have been isolated from environments rich in available carbohydrate substrates, such as feed, but also human animal cavities sewage plant material. Besides lactic acid, other side products include acetate, ethanol, CO2, formate succinate. The ad...

We apply a growth accounting approach to estimate the contribution potential output in Italy by firms with different characteristics. do so exploiting time series obtained aggregating individual firm data. Results show that during double-dip recession smaller provided strongest negative growth, while recovery was driven big ones. Young always give positive contribution. Growth within sectors is...