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  • Economies of Scale

    I'm currently working on my thesis about industrial economics. And i need economies of scale as variable which my reference paper suggested.
    It expressed as:

    Economies of Scale: Average Size of the Largest Firms Accounting for 50% of a Sector’s Total Assets / Total Sector Asset

    but the problem is that I have no idea how to sum the data of owner of the 50% sector's total assets. I'd be glad if someone could help me with the command for that variable. Thank you.

  • #2
    Raditya, it's hard to provide you a command without knowing your data. Check the datex command (available by typing -ssc install dataex-) to post an abstract of your dataset here.

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    • #3
      Originally posted by Sebastian Geiger View Post
      Raditya, it's hard to provide you a command without knowing your data. Check the datex command (available by typing -ssc install dataex-) to post an abstract of your dataset here.
      I'm sorry for not providing the data. Below is my data, data from industry survey for year 2003 with 5-digit ISIC number 20111-20115

      . dataex year disic assets

      ----------------------- copy starting from the next line -----------------------
      [CODE]
      * Example generated by -dataex-. To install: ssc install dataex
      clear
      input float year double(disic assets)
      2003 20111 175549765.55807573
      2003 20111 60498223.27296104
      2003 20111 19233540.072129544
      2003 20111 12589226.898158066
      2003 20111 9441921.487976769
      2003 20111 9092220.185854463
      2003 20111 6294610.820362596
      2003 20111 4371258.916122791
      2003 20112 5758044897
      2003 20112 182820000
      2003 20112 77231807.7477478
      2003 20112 49582819.99994241
      2003 20112 44485521.17017191
      2003 20112 39388221.28891483
      2003 20112 30892722.8888018
      2003 20112 30892722.8888018
      2003 20112 11126853
      2003 20112 27803451.12566491
      2003 20112 22397224.48868877
      2003 20112 4295000
      2003 20112 19957317
      2003 20112 11893697.970455555
      2003 20112 11893697.970455555
      2003 20112 8804426.207318664
      2003 20112 6770688
      2003 20112 1935686
      2003 20112 5193350
      2003 20112 6512382.101926459
      2003 20112 3802126
      2003 20112 5406226.636976137
      2003 20112 17926
      2003 20112 5251763.259116607
      2003 20112 5251763.259116607
      2003 20112 1725900
      2003 20112 1806286
      2003 20112 5097298.829770503
      2003 20112 24814908
      2003 20112 2714422
      2003 20112 3707126.326061586
      2003 20112 8490185
      2003 20112 18416000
      2003 20112 3087927.9632941117
      2003 20112 884214
      2003 20112 1641124.4956317674
      2003 20112 1406095.16491332
      2003 20112 1019280
      2003 20112 1255937.6245781933
      2003 20112 757846.3310532449
      2003 20112 6103200
      2003 20112 329539
      2003 20112 1395000
      2003 20112 34530.8191212182
      2003 20114 409889810.02461606
      2003 20114 371603399.45812386
      2003 20114 140158954.49396774
      2003 20114 116360659.89470732
      2003 20114 81077105.7186767
      2003 20114 60299793
      2003 20114 75822108.08685556
      2003 20114 71317824.5526498
      2003 20114 11848020
      2003 20114 135437199
      2003 20114 58132705.491657935
      2003 20114 4285536
      2003 20114 37153188.78561618
      2003 20114 36034269.32513259
      2003 20114 56079607
      2003 20114 36413748
      2003 20114 34532841.12990182
      2003 20114 17554829
      2003 20114 8125000
      2003 20114 24022845.866259538
      2003 20114 3918200
      2003 20114 277717309
      2003 20114 19630131.36657498
      2003 20114 3988180
      2003 20114 3416465
      2003 20114 14208023.076370861
      2003 20114 900032
      2003 20114 4059213
      2003 20114 11145636.773468757
      2003 20114 9454955
      2003 20114 2233680
      2003 20114 3877557
      2003 20114 279615
      2003 20114 6232000
      2003 20114 6195169.631996827
      2003 20114 5721516
      2003 20114 3289474
      2003 20114 169532
      2003 20114 1782367.5327845041
      2003 20114 301986
      2003 20114 315000
      2003 20114 145893.76227372183
      2003 20115 43324428.686140396
      2003 20115 32371559.894969866
      2003 20115 30667131.701580066
      2003 20115 4104988
      2003 20115 3250000
      2003 20115 22377544.865952086
      Last edited by Raditya Aviantara; 02 Apr 2017, 14:43.

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