Description Usage Format Details Source References Examples
This data set from the United States Department of Agriculture (USDA) and its Economic Research Service department contains USA agriculture's input and output quantities along with their respective price indices for 48 States.
All quantities are expressed in thousand US$1996 and prices are relative to Alabama 1996 = 1.
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A data frame with 480 observations on the following 17 variables:
- p.livestock : | Livestock and animal products' relative price (reference is 1 = Alabama 1996). |
- States : | 48 States of the USA identified with two capital letters. |
- States.num : | State number. |
- Years : | Year. |
- q.livestock : | Livestock and animal products' quantity, in thousand US$1996. |
- q.crop : | Crops' quantity, in thousand US$1996. |
- q.other : | Other farm-related productions' quantity, in thousand US$1996. |
- q.capital : | Capital services' quantity, in thousand US$1996. |
- q.land : | Land services' quantity, in thousand US$1996. |
- q.labor : | Labor services' quantity, in thousand US$1996. |
- q.materials : | Total intermediate input quantity, in thousand US$1996. |
- p.livestock : | Livestock and animal products' relative price (reference is 1 = Alabama 1996). |
- p.crop : | Crops' relative price (reference is 1 = Alabama 1996). |
- p.other : | Other farm-related productions' relative price (reference is 1 = Alabama 1996). |
- p.capital : | Capital services' relative price (reference is 1 = Alabama 1996). |
- p.land : | Land service flows' relative price (reference is 1 = Alabama 1996). |
- p.labor : | Labor services' relative price (reference is 1 = Alabama 1996). |
- p.materials : | Total intermediate inputs' relative price (reference is 1 = Alabama 1996). |
Further details on the data and the different variables can be found in the references.
http://www.ers.usda.gov/data-products/agricultural-productivity-in-the-us.aspx
Ball V.E., Gollop F.M., Kelly-Hawke A., and Swinand G.P. (1999), Patterns of state productivity growth in the US farm sector: Linking state and aggregate models. American Journal of Agricultural Economics, 81(1], 164–179. https://doi.org/10.2307/1244458
Ball V.E., Hallahan C., and Nehring R. (2004), Convergence of productivity: An analysis of the catch-up hypothesis within a panel of states. American Journal of Agricultural Economics, 86(5), 1315–1321. https://doi.org/10.1111/j.0002-9092.2004.00683.x
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* Please cite the 'productivity' package as:
Dakpo K.H., Desjeux Y. and Latruffe L. (2017). productivity: Indices of Productivity and Profitability Using Data Envelopment Analysis (DEA). R package version 1.0.0.
See also: citation("productivity")
* For any questions, suggestions, or comments on the 'productivity' package, please make use of Tracker facilities at:
https://r-forge.r-project.org/projects/productivity/
States States.num Years q.livestock q.crop q.other q.capital
1 AL 1 1995 2337714.2 739062.5 283102.58 354651.17
2 AR 2 1995 3193048.8 2371826.4 429704.67 537686.22
3 AZ 3 1995 803493.8 1084022.2 210521.45 128892.76
4 CA 4 1995 6621218.3 15243448.1 1713674.85 1093105.68
5 CO 5 1995 2317063.3 1638410.8 341232.93 447202.58
6 CT 6 1995 257822.8 212440.8 22699.62 62009.99
q.land q.labor q.materials p.livestock p.crop p.other p.capital
1 332805.31 893392.5 1934096.2 0.9121353 1.017826 0.9444931 1.000204
2 538132.83 1515417.2 2941084.8 0.9353597 1.031524 0.8678696 1.008363
3 796365.77 846322.3 862865.4 0.9937435 1.353221 0.9590677 1.013120
4 1734164.25 6459541.8 8005180.0 0.8109140 1.167812 1.1479886 1.038279
5 799891.38 940434.7 2448274.4 1.1303603 1.078417 1.0220975 1.026292
6 34530.33 278280.5 156044.7 0.8764995 1.177454 1.1122211 1.018623
p.land p.labor p.materials
1 0.9199300 0.6088914 0.9678582
2 0.8272720 0.5560871 1.0860906
3 0.4921151 0.6045705 1.2420497
4 1.2143628 0.7712567 1.3902026
5 0.6854362 1.0967482 1.3295701
6 1.7486675 0.5721176 1.4224330
'data.frame': 480 obs. of 17 variables:
$ States : Factor w/ 48 levels "AL","AR","AZ",..: 1 2 3 4 5 6 7 8 9 10 ...
$ States.num : int 1 2 3 4 5 6 7 8 9 10 ...
$ Years : int 1995 1995 1995 1995 1995 1995 1995 1995 1995 1995 ...
$ q.livestock: num 2337714 3193049 803494 6621218 2317063 ...
$ q.crop : num 739063 2371826 1084022 15243448 1638411 ...
$ q.other : num 283103 429705 210521 1713675 341233 ...
$ q.capital : num 354651 537686 128893 1093106 447203 ...
$ q.land : num 332805 538133 796366 1734164 799891 ...
$ q.labor : num 893393 1515417 846322 6459542 940435 ...
$ q.materials: num 1934096 2941085 862865 8005180 2448274 ...
$ p.livestock: num 0.912 0.935 0.994 0.811 1.13 ...
$ p.crop : num 1.02 1.03 1.35 1.17 1.08 ...
$ p.other : num 0.944 0.868 0.959 1.148 1.022 ...
$ p.capital : num 1 1.01 1.01 1.04 1.03 ...
$ p.land : num 0.92 0.827 0.492 1.214 0.685 ...
$ p.labor : num 0.609 0.556 0.605 0.771 1.097 ...
$ p.materials: num 0.968 1.086 1.242 1.39 1.33 ...
States States.num Years q.livestock
AL : 10 Min. : 1.00 Min. :1995 Min. : 9101
AR : 10 1st Qu.:12.75 1st Qu.:1997 1st Qu.: 638755
AZ : 10 Median :24.50 Median :2000 Median :1578579
CA : 10 Mean :24.50 Mean :2000 Mean :2040074
CO : 10 3rd Qu.:36.25 3rd Qu.:2002 3rd Qu.:2651086
CT : 10 Max. :48.00 Max. :2004 Max. :8497604
(Other):420
q.crop q.other q.capital q.land
Min. : 30916 Min. : 1355 Min. : 7351 Min. : 4553
1st Qu.: 538533 1st Qu.: 90781 1st Qu.: 156055 1st Qu.: 228245
Median : 1641232 Median : 211941 Median : 439026 Median : 443274
Mean : 2569397 Mean : 300321 Mean : 541151 Mean : 667844
3rd Qu.: 3411798 3rd Qu.: 360098 3rd Qu.: 721845 3rd Qu.: 989376
Max. :19386468 Max. :2660368 Max. :1927036 Max. :4659258
q.labor q.materials p.livestock p.crop
Min. : 18189 Min. : 12917 Min. :0.7251 Min. :0.6882
1st Qu.: 476307 1st Qu.: 630684 1st Qu.:0.9121 1st Qu.:0.9140
Median :1143619 Median :1810818 Median :0.9848 Median :1.0050
Mean :1425889 Mean :2100947 Mean :1.0202 Mean :1.0187
3rd Qu.:1902491 3rd Qu.:2566467 3rd Qu.:1.0929 3rd Qu.:1.1092
Max. :8450988 Max. :9451845 Max. :1.7723 Max. :1.6425
p.other p.capital p.land p.labor
Min. :0.7400 Min. :0.9725 Min. :0.2313 Min. :0.3963
1st Qu.:0.9855 1st Qu.:1.0383 1st Qu.:0.7432 1st Qu.:0.7400
Median :1.1042 Median :1.0890 Median :1.1365 Median :0.8716
Mean :1.1318 Mean :1.0921 Mean :1.1625 Mean :0.9307
3rd Qu.:1.2489 3rd Qu.:1.1405 3rd Qu.:1.4794 3rd Qu.:1.0649
Max. :2.3025 Max. :1.2376 Max. :3.6316 Max. :2.1105
p.materials
Min. :0.9165
1st Qu.:1.1757
Median :1.2875
Mean :1.2965
3rd Qu.:1.4178
Max. :2.0225
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