sector • available • financial • process • individual • specific • principle • estimate • variables • method • data • research • contract • environment • export • source • assessment • policy • identified • create • derived • factors • procedure • definition • assume • theory • benefit • evidence • established • authority • major • issues • labour • occur • economic • involved • percent • interpretation • consistent • income • structure • legal • concept • formula • section • required • constitutional • analysis • distribution • function • area • approach • role • legislation • indicate • response • period • context • significant • similar •