Mechanism design 18 Machine design 14 History of engineering and technology 6 Technology: general issues 6 Economics 4 Efficiency 4 Mechanical design 4 mechanism design 4 Economic theory & philosophy 3 Economic theory and philosophy 3 Appropriate designs 2 Asymptotically optimal 2 Behavioural economics 2 Biography & True Stories 2 Combinatorial auctions 2 Costs 2 Dynamics 2 Economics, Finance, Business and Management 2 Economics, finance, business & management 2 Experimental research 2 High resolution 2 Measuring scale 2 Mechanical engineering and materials 2 Mechanisms 2 Optical encoder 2 Optical linear encoders 2 Performance 2 Political economy 2 Pricing 2 Public administration 2