Changes                 Productivity and profitability change indices
Levels                  Productivity and profitability levels
Shadowp                 Shadow prices used in productivity and
                        profitability computations
fareprim                Färe-Primont productivity and profitability
                        index
fisher                  Fisher productivity and profitability index
hicksmoorsteen          Hicks-Moorsteen productivity and profitability
                        index
laspeyres               Laspeyres productivity and profitability index
lowe                    Lowe productivity and profitability index
malm                    Malmquist productivity index
paasche                 Paasche productivity and profitability index
usagri                  Price indices and implicit quantities of USA
                        farm outputs and inputs by State, 1995-2004
