TABLE 3
FROM:
Decomposing Growth in Portuguese Seaports: A Frontier Cost Approach
Carlos Pestana Barros
BACK TO ARTICLETable 3. Descriptive statistics of the data
| Variable | Description | Minimum | Maximum | Mean | Standard deviation |
|---|---|---|---|---|---|
| Log (C) | Logarithm of operational cost (euros) at constant prices 1999=100 | 8.55 | 16.19 | 14.39 | 1.203 |
| Log (P L) | Logarithm of price of labour, measured by dividing total salary expenditure by the number of equivalent employees | 7.338 | 9.203 | 8.257 | 0.398 |
| Log (P K) | Logarithm of the price of capital, proxied by the ratio of earnings to the book value of premises | -6.145 | 3.838 | -1.126 | 1.932 |
| Log (ships) | The logarithm of the number of ships | 2.079 | 8.815 | 6.601 | 1.463 |
| Log(cargo) | Logarithm of the total cargo | 5.509 | 14.440 | 12.050 | 2.013 |
| Trend | Variable that ranges from 1 in the beginning of the period to 11 at the end of the period for each seaport in the period. | 1 | 11 | — | — |
