The following are estimates of increases in inputs and total productivity for manufacturing and service industries in the UK for 1981^1989:

^ Do these changes represent unequivocal increases in e⁄ciency in both manufacturing and services?
^ Is production becoming more or less capital-intensive?
^ Are ¢rms using capital e⁄ciently?
^ Demonstrate the relative changes in the two sectors using isoquant analysis.

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Labour Services (%) 2.2 Manufacturing (%) -2.1 Capital 5.5 1.3 Total inputs 3.1 -1.5 Output 4.1 3.7 Total factor productivity 1.0 5.2 Capital productivity -1.4 5.2 Labour productivity 1.9 5.6