Marc Ivaldi, Norbert Ladoux, Hervé Ossard, and Michel Simioni, "Comparing Fourier and Translog Specifications of Multiproduct Technology: Evidence from an Incomplete Panel of French Farmers", Journal of Applied Econometrics, Vol. 11, No. 6, 1996, pp. 649-668. Data Source: R\'eseau d'Information Comptable Agricole (RICA), Institut National de la Recherche Agronomique (INRA) The data are in the file inra.asc, which is zipped in the file ilos-dat.zip. Note that inra.asc is in Unix format. Data File Organisation: 24 columns, one for each variable, last row gives the name of each variable, K84 is Capital stock, year 1984 L84 is Labor quantity, year 1984 M84 is Materials quantity, year 1984 Y1Z84 is Volume of apple production, year 1984 Y2Z84 is Volume of other productions, year 1984 PK84 is price of capital, year 1984 PL84 is price of labor, year 1984 PM84 is price of materials, year 1984 K85 is Capital stock, year 1985 L85 is Labor quantity, year 1985 M85 is Materials quantity, year 1985 Y1Z85 is Volume of apple production, year 1985 Y2Z85 is Volume of other productions, year 1985 PK85 is price of capital, year 1985 PL85 is price of labor, year 1985 PM85 is price of materials, year 1985 K86 is Capital stock, year 1986 L86 is Labor quantity, year 1986 M86 is Materials quantity, year 1986 Y1Z86 is Volume of apple production, year 1986 Y2Z86 is Volume of other productions, year 1986 PK86 is price of capital, year 1986 PL86 is price of labor, year 1986 PM86 is price of materials, year 1986