data appendix for durability of output and expected stock returns joao f gomes leonid kogan motohiro yogo november 15 2006 1 introduction we propose a new method constructing industry portfolios based on their contribution to the various components aggregate demand focusing especially personal consumption expenditures pce section 2 describes construction an classification nipa s benchmark input accounts 3 classifying sic industries by final at end this document is table consisting four columns first column indicates type abbreviated as follows d durable goods nd nondurable wharton school university pennsylvania cepr e mail gomesj upenn edu sloan management mit nber lkogan services i gross private domestic investment g government nx net exports that are part second detailed category