Research Article
Impact of Formal Financial Market Participation on Farm Size and Expenditure on Variable Farm Inputs: The Case of Maize Farmers in Ghana
Table 5
Sensitivity analysis with Rosenbaum’s bounds on probability values on farm size and expenditure on variable inputs.
| | | Upper bounds on the significance level for different values of | | | | | | | |
| | | Using the single closest neighbour | | | Farm size | 0.0001 | 0.0072 | 0.0871 | 0.327 | 0.6324 | | Expenditure on variable inputs | <0.0001 | <0.0001 | 0.0018 | 0.0211 | 0.1009 |
| | | Using all neighbours within a calliper of 0.01 | | | Farm size | 0.0005 | 0.0255 | 0.1884 | 0.505 | 0.785 | | Expenditure on variable inputs | <0.0001 | <0.0001 | 0.0015 | 0.0171 | 0.0832 |
| | | Using a biweight kernel function and a smoothing parameter of 0.06 | | | Farm size | 0.0001 | 0.012 | 0.1254 | 0.4131 | 0.7202 | | Expenditure on variable inputs | <0.0001 | <0.0001 | 0.0001 | 0.003 | 0.023 |
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Source: author’s calculations.
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