This paper investigates the efficiency of the public sector in a sense of public performance and expenditures. For 23 …, security and infrastructure. We use several efficiency techniques (FDH, order-m) and investigate input- and output …-oriented efficiency of the public sector. We find that countries with small public sectors tend to be more efficient no matter which …

productivity. However, this is not the only channel for climatic change to affect agro-systems. Biodiversity is subject to climatic … fluctuations and in turn may alter land productivity too. Firstly, biodiversity is an input into agro-ecosystems. Secondly … important wildlife species which, though not always, play a functional role in land productivity, nonetheless constitute …