Profile 2006 “Conceptual Issues of Global Counterfeiting of Products and Services”.  Journal of Intellectual Property Rights. Vol. 11.  No. 1.  January.  (with Deli Yang)
Paper downloads 2005 “Quality Change, Productivity Improvement and the Rate of Growth of the Japanese Economy”, Japan and the World Economy.  Vol. 17. No. 1. pp. 1-23.
Book downloads 2004 “Strategic Responses for Multinationals to IP Abuses”.  Long Range Planning. Vol. 37. No. 5. October. (with Deli Yang)
Curriculum vitae 2003 “Patent Disclosure and the Obsolescence of Technological Knowledge: Evidence from Patent Renewal Data”.  Journal of Economic Issues.  Vol. 8. Part 1. March. pp. 59-82.
education 2002 “The Returns to R&D in Tobin q Models and the Option Value of Future R&D”.  Economic Letters.  Vol. 77.  pp. 439-444.
employment 2002 “Innovation and the Market Value of UK Firms, 1989-1995”.  Oxford Bulletin of Economics and Statistics.  Vol. 64.  No. 1.  pp. 39-62 (with Paul Stoneman and Otto Toivannen).
appointments 2001 “Market Value, R&D and Intellectual Property: an Empirical Analysis of Large Australian Firms”.  The Economic Record.  Vol. 77.  No. 239.  pp. 323-337. (with Mark Rogers).
consultancy 2001 "The role of Innovation and Quality Change in Japanese Economic Growth”.  Journal of Evolutionary Economics.  Selected papers from the Schumpeter Conference, Manchester, 2000, pp. 135-162. (with Silvia Massini and Masako Nakayama).
research 2001 “Technological Activity and Employment in a Panel of UK Firms”.  Scottish Journal of Political Economy.  Vol. 48.  No. 3.  August.  pp. 260-282 (with Christine Greenhalgh and Mark Longland).
books, monographs and reports 2000 "Intellectual Property Law, Technology Flow and Licensing Opportunities in the People’s Republic of China”. International Business Review. Vol. 9. No. 4. pp. 453-477. (with Deli Yang).
book chapters 1999 “The Measurement and Management of Risk in R&D Decisions”. International Journal of Technology Management. Vol. 18. Nos. 5-8. pp. 476-499 (with Greg Jobome).
journal articles 1999 “Returns to Intellectual Property in the Pharmaceuticals Sector”. Economie Appliqué. Vol. LII. No. 2. pp. 69-93.

1997 “Determinants of the Use of Advanced Technologies”. International Journal of the Economics of Business. Vol. 3. No. 3. pp. 269-295.
1997 “Rivalry and Anticompetitive Practices”. International Journal of the Economics of Business. Vol. 4. No. 1. pp. 97-104.
1995 “Horaires de Travail a et Durée d’Utilisation Des Equipements: Quelques Equipments: Aspects Théoretiques”. Economic et Statistique. No. 281. pp. 37-43 (with Dominic Anxo, et al.).
1995 “Part Time Work and Full Time Higher Education”. Studies in Higher Education. Vol. 20.  No. 2.  pp. 187-202.
1995 “Multiple Varying Prices, the Timing of Factor Demands and Induced Technological Change”. Labour.
1995 “Skills, Training and Economic Performance”. Economics and Business Education. Vol. 3. No. 11. pp. 103-109.
1994 “Shiftwork in the UK: Evidence From The LFS”. Applied Economics. Vol. 26. pp. 617-626.
1994 “Truancy and School Performance”. Education Economics. 2. 3 pp. 243-264.
1993 “The Market for Training”. International Journal of Manpower. Vol. 14. No. 2/3. pp. 33-46 (with Rob Wilson and A. Assefa).
1993 “Skill Shortages in Britain”. Scottish Journal of Political Economy. Vol. 40. No. 3. pp. 241-270.
1992 “Shiftwork and Capital Utilisation in the UK”. Economies et Societies. No. 17. September-October. pp. 95-112.
1992 “Extent and Intensity of Skill Shortages, 1990”. International Journal of Manpower. Vol. 13. No. 9. pp. 3-12.
1990 “Science, Technology and 1992: Employment Issues”. Science and Parliament (with Professor J. Levy. Engineering Council).
1990 “Disequilibrium, Basic Wage Rigidity and Employment”. Journal of Employment and Productivity. Vol. 2. No. 1. pp. 46-58.
1990 “Skill Shortages”. Special Edition of the International Journal of Manpower. (ed.) Vol. 11. No. 2/3.
1990 “Unemployment and the Intensity and Method of Job Search”. International Journal of Manpower. Vol. 11. No. 1. pp. 3-12.
1989 “Professional Skills Shortages”. in D.L. Bosworth and P..A. Dutton (eds.) International Journal of Manpower. Vol. 11. No. 2/3 pp. 6-17.
1987 “The Demand for Hours of Work”. Scottish Journal of Political Economy. (with Tony Westaway).
1987 “Labour Hoarding, Discouraged Workers and Recorded Unemployment: an International Comparison”. Australian Bulletin of Labour.
1985 “Optimal Capital Utilisation and Shiftworking”. Scandinavian Journal of Economics. Vol. 87. No. 4. pp. 658-667 (with Clive Pugh).
1985 “Perceptions of Higher Education by University Entrants: An Exploratory Study”. Studies in Higher Education. Vol. 10. No. 3. pp. 25 7-67 (with Janet Ford).
1985 “Fuel Based Measures of Capital Utilisation”. Scottish Journal of Political Economy. Vol. 32. No. 1. pp. 20-38.
1985 “Income Expectations and the Decision to Enter Higher Education”. Studies in Higher Education. Vol. 10. No. 1. pp. 21-31 (with Janet Ford).
1985 “Industrial and Commercial Demand for Electricity by Time of Day”. Energy Journal. Vol. 65. No. 3. pp. 101-7 (with Clive Pugh).
1984 “Foreign Patent Flows to and from the UK”. Research Policy. Vol. 13. pp. 115-24.
1984 “The Influence of Demand and Supply Side Pressures on the Quantity and Quality of Inventive Activity”. Applied Economics. Vol. 16. No. 1. pp. 131-46 (with Tony Westaway).
1984 “Modeling Labour Demand: The Role of Economics”. Special Edition of international Journal of Social Economics. Vol. 11. No. 7. pp. 91-105 (with Peter Dawkins).
1983 “Production and Maintenance: Joint Activities of the Firm”. Special Issue of Scandinavian Journal of Economics. pp. 267-82. Reprinted in F. Forsund (ed.) Topics in Production Theory. Macmillan. 1984. pp. 267-82 (with Clive Pugh).
1982 “Women and Part Time Work”. Industrial Relations Journal. Vol. 13. No. 3. pp. 32-9 (with Peter Dawkins).
1981 “Specification of Factor Demand Models and Shiftworking”. Scottish Journal of Political Economy. Vol. 28. No. 3. pp. 256-65.
1981 “The Demand for Qualified Scientists and Engineers”. Applied Economics. Vol. 16. No. 1. pp. 131-46.
1981 “Explaining the Incidence of Shiftworking”. Economic Journal. Vol. 91. March. pp. 145-57 (with P. Dawkins and A. Westaway).
1980 “The Transfer of US Technology Abroad”. Research Policy. Vol. 9. pp. 378-88.
1980 “Shiftworking and Unsocial Hours”. Industrial Relations Journal. Vol. 11. No. 1. pp. 32-40 (with Peter Dawkins).
1980 “Compensation for Workers” Disutility: Time of Day, Length of Shift and Other Features of Work Patterns”. Scottish Journal of Political Economy. Vol. 27. No. 1. pp. 80-96 (wth Peter Dawkins).
1979 “Recent Trends in Research and Development Activity in the United Kingdom”. Research Policy. Vol. 8. pp. 165-85.
1976 “Price and Quality Changes in Metal Working Machine Tools”. Applied Economics. Vol. 8. pp. 283-8.
1973 “Change in the Quality of Inventive Output and Patent Based Indices of Technological Change”. Bulletin of Economic Research. Vol. 25. No. 2. pp. 95-103.