EXPLAINING PLANT‐LEVEL DIFFERENCES IN MANUFACTURING OVERHEAD: STRUCTURAL AND EXECUTIONAL COST DRIVERS IN THE WORLD AUTO INDUSTRY

Abstract

Using data from 62 automobile assembly plants worldwide, we examine the extent to which various structural cost drivers (plant scale, automation, and product mix complexity) and exe‐cutionalcost drivers (product manufacturability, management policies, and production practices) account for plant‐level differences in manufacturing overhead. Our analysis of structural drivers finds that overhead hours per vehicle are negatively associated with production volumes, consistent with economies of scale in overhead functions. However, automation appears to have little influence on overhead levels. Product mix complexity's effect on overhead requirements varies with the complexity's form and the plant's manufacturing capabilities. Option and parts complexity (measures of peripheral and intermediate product variety) both exhibit adverse effects on overhead, reflecting the considerable logistical, coordination, and supervisory challenges that accompany an increased number of parts and more complex manufacturing tasks. In contrast, model mix complexity (a measure of fundamental variety) appears to have little impact on direct or overhead labor requirements in auto assembly plants. Our analysis of executional drivers provides empirical support for the claim that advanced manufacturing practices such as the reduction of buffers, multiskilled production workers, and the use of teams can lower overhead costs. We also find preliminary evidence that the lower overhead costs in Japanese auto assembly plants are due primarily to the use of multiskilled work teams and the shifting of traditional overhead activities to production workers. Overall, our results indicate that manufacturing overhead is a function not only of the structural cost drivers that have dominated the academic literature but also of executional cost drivers that are harder to duplicate and therefore potentially more valuable for achieving competitive advantage.

Keywords

STRATEGIC COST MANAGEMENT COST DRIVERS LEAN MANUFACTURING ORGANIZATIONAL DESIGN

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References

Abegglen

J. C.

and Stalk

(1985), KAISHA: The Japanese Corporation, Basic Books, New York.

Alster

(1989), “What Flexible Workers Can Do,” Fortune, 119, 4, February 13, 62–66.

Banker

R. D.

Datar

Kekre

, and Mukhopadhyay

(1989), “Costs of Product and Process Complexity,” in Measures for Manufacturing Performance, Kaplan

(ed.), Harvard Business School Press, Boston, MA, 269–290.

Banker

R. D.

Potter

, and Schroeder

R. G.

(1993), An Empirical Analysis of Manufacturing Overhead Cost Drivers, Working Paper, University of Minnesota, Minneapolis, MN.

Barker

R. C.

(1994), “Production Systems without MRP: A Lean Time Based Design,” Omega, 22, 4, 349–360.

Becker

(1964), Human Capital: A Theoretical and Empirical Analysis, National Bureau of Economic Research, Columbia University Press, New York.

Blau

P. M.

Falbe

McKinley

, and Tracy

P. K.

(1976), “Technology and Organization in Manufacturing,” Administrative Science Quarterly, 21, 1, 20–40.

Blaxill

M. F.

and Hout

T. H.

(1991), “The Fallacy of the Overhead Quick Fix,” Harvard Business Review, 69, 4, July‐August, 93–101.

Cascio

W. F.

(1993), “Downsizing: What do we Know? What Have we Learned?” Academy of Management Executive, 7, 1, 95–104.

10.

Chandler

and Williams

(1993), “A Slump in Car Sales Forces Nissan to Start Cutting Swollen Costs,” The Wall Street Journal, March 3, A1 and A6.

11.

Cooper

and Kaplan

R. S.

(1991), The Design of Cost Management Systems, Prentice‐Hall, Englewood Cliffs, NJ.

12.

Cusamano

(1985), The Japanese Auto Industry: Technology and Management at Toyota and Nissan, Harvard University Press, Cambridge, MA.

13.

Dean

J. W.

and Susman

G. L.

(1989), “Organizing for Manufacturable Design,” Harvard Business Review, 67, 1, January‐February, 28–36.

14.

DeMeyer

Nakane

Miller

J. G.

, and Ferdows

(1989), “Flexibility: The Next Competitive Battle” Strategic Management Journal, 10, 2, 135–144.

15.

Dixon

J. R.

Nanni

A. J.

, and Vollmann

T. E.

(1990), The New Performance Challenge: Measuring Operations for World‐Class Competition. Business One Irwin, Homewood, IL.

16.

Doe

(1992), “What's Really Inside Japanese Annual Reports,” Electronic Business, 18, 8, May 18, 103–107.

17.

Fisher

Jain

, and Macduffie

J. P.

(1995), “Strategies for Product Variety: Escaping the Variety/Cost Tradeoff, in Redesigning the Firm, Bowman

and Kogut

(eds.), Oxford University Press, New York.

18.

Foster

and Gupta

(1990), “Manufacturing Overhead Cost Driver Analysis,” Journal of Accounting and Economics, 12, 1, 309–337.

19.

Fox

(1991), Regression Diagnostics: An Introduction, Sage University Paper Series on Quantitative Applications in the Social Sciences, 07–079, Newbury Park, CA.

20.

Grinyer

P. H.

and Yasai‐Ardekani

(1980), “Dimensions of Organizational Structure: A Critical Replication,” Academy of Management Review, 23, 3, 405–421.

21.

Hayes

R. H.

and Wheelwright

S. C.

(1984), Restoring Our Competitive Edge: Competing Through Manufacturing, John Wiley, New York.

22.

Istvan

R. L.

(1992), “A New Productivity Paradigm for Competitive Advantage,” Strategic Management Journal, 13, 7, 525–537.

23.

Ittner

C. D.

(1994), “An Examination of the Indirect Productivity Gains from Quality Improvement,” Production and Operations Management, 3, 3, 153–170.

24.

Kambayashi

(1994), “Organization Design Under New Technologies: Towards Humanization of Work,” Annals of the School of Business Administration, Kobe University, 38, 31–57.

25.

Kekre

and Srivasan

(1990), “Broader Product Lines: A Necessity for Success?” Management Science, 36, 10, 1216–1231.

26.

Krafcik

J. F.

(1988), Comparative Analysis of Performance Indicators at World Auto Assembly Plants, Unpublished M.S. thesis, Sloan School of Management, MIT, Cambridge, MA.

27.

Lawler

E. E.

Mohrman

S. A.

, and Ledford

G. E.

Jr. (1992), Employee Involvement and Total Quality Management, Jossey‐Bass, San Francisco, CA.

28.

Lieberman

Lau

, and Williams

(1990), “Firm‐Level Productivity and Management Influence: A Comparison of U.S. and Japanese Automobile Producers,” Management Science, 36, 10, 1193–1215.

29.

MacDuffie

J. P.

(1995), “Human Resource Bundles and Manufacturing Performance: Organizational Logic and Flexible Production Systems in the World Auto Industry,” Industrial and Labor Relations Review, 48, 2, 197–221.

30.

MacDuffie

J. P.

and Krafcik

J. F.

(1992), “Integrating Technology and Human Resources for High Performance Manufacturing,” in Transforming Organizations, Kochan

T. A.

and Useem

(eds.), Oxford University Press, New York, 209–225.

31.

MacDuffie

J. P.

Sethuraman

, and Fisher

M. L.

(1996), “Product Variety and Manufacturing Performance: Evidence From the International Automotive Assembly Plant Study,” Management Science, forthcoming.

32.

Magaziner

I. C.

and Hout

T. M.

(1980), Japanese Industrial Policy. Policy Studies Institute, London, UK.

33.

Marsh

R. M.

and Mannari

(1981), ”Technology and Size as Determinants of the Organizational Structure of Japanese Factories,” Administrative Science Quarterly, 26, 1, March, 33–57.

34.

Miller

J. G.

and Vollmann

T. E.

(1985), “The Hidden Factory,” Harvard Business Review, 63, 5, September‐October, 142–150.

35.

Neumann

J. L.

(1987), “OVA: Avoid Slash‐and‐Burn Overhead Reduction,” Management Review, 76, 1, January, 34–39.

36.

Nielson

G. L.

(1990), “Restructure for Excellence: The Secret in Downsizing,” Management Review, 79, 2, February, 44–47.

37.

(1962), “Labor as a Quasi‐Fixed Factor,” Journal of Political Economy, 70, 6, 538–555.

38.

Ostroff

and Smith

(1992), “The Horizontal Organization,” The McKinsey Quarterly, 1, 148–168.

39.

Peterson

(1992), “Can Corporate America Get Out From Under its Overhead?” Business Week, 3266, May 16, 102.

40.

Porter

M. E.

(1985), Competitive Advantage: Creating and Sustaining Superior Performance, The Free Press, New York.

41.

Raffi

and Swamidass

P. M.

(1987), “Towards a Theory of Manufacturing Overhead Cost Behavior: A Conceptual and Empirical Analysis,” Journal of Operations Management, 7, 1–2, 121–137.

42.

Rehder

R. R.

(1988), “Japanese Transplants: A New Model for Detroit,” Business Horizons, 31, 1, January‐February, 52–61.

43.

Richardson

P. R.

(1988), Cost Containment: The Ultimate Advantage, The Free Press, New York.

44.

Riley

(1987), “Competitive Cost‐Based Investment Strategies for Industrial Companies,” Manufacturing Issues, Booz, Allen and Hamilton, New York.

45.

Rommel

Kempis

, and Kaas

(1994), “Does Quality Pay?,” The McKinsey Quarterly, 1, 51–63.

46.

Scherer

F. M.

(1980), Industrial Market Structure and Economic Performance, 2nd ed., Rand McNally, New York.

47.

Semich

J. W.

(1989), “Designing for Quality,” Purchasing, 106, 1, January 19, 82–84.

48.

Shank

J. K.

and Govindarajan

(1994), Strategic Cost Management, The Free Press, New York.

49.

Sheridan

J. H.

(1988), “Attacking Overhead,” Industry Week, 237, 2, July 18, 49–55.

50.

Shields

M. D.

and Young

S. M.

(1995), “Effective Long‐Term Cost Reduction: A Strategic Perspective,” in Readings in Management Accounting, Young

S. M.

(ed.), Prentice Hall, Englewood Cliffs, NJ., 200–211.

51.

Skinner

(1974), “The Focused Factory,” Harvard Business Review, 53, 3, 113–121.

52.

Stalk

and Webber

A.M.

(1993), “Japan's Dark Side of Time,” Harvard Business Review, 71, 4, July‐August, 93–102.

53.

Stine

(1990), “An Introduction to Bootstrapping Methods: Examples and Ideas,” Sociological Methods and Research, 18, November 1989/February 1990., 243–91.

54.

Susman

G. I.

(1990), “Work Groups: Autonomy, Technology, and Choice,” in Technology and Organizations, Goodman

P. S.

Sproull

L. S.

, and Associates (eds.), Jossey‐Bass, San Francisco, CA., 87–108.

55.

Ulrich

Sartorius

Pearson

, and Jakiela

(1993), “Including the Value of Time in Design‐for‐Manufacturing Decision Making,” Management Science, 39, 4, 429–447.

56.

Ward

P. T.

Berger

P. D.

, and Miller

J. G.

(1992), “Manufacturing Process Technology and Support Staff Composition: An Empirical View of Industry Evidence,” Production and Operations Management, 1, 1, 5–21.

57.

Whitney

(1988), “Manufacturing by Design,” Harvard Business Review, 66, 4, July‐August, 83–90.

58.

Womack

J. P.

Jones

, and Roos

(1990), The Machine That Changed the World,

59.

Zwerman

W. L.

(1970), New Perspectives on Organizational Theory, Greenwood Press, Westport, CT.