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The Wong-Viner envelope theorem for subdifferentiable functions

Horsley, Anthony; Wrobel, Andrew J. - London School of Economics (LSE) - 2005

The Wong-Viner Envelope Theorem on the equality of long-run and short-run marginal costs (LRMC and SRMC) is reformulated for convex but generally nondifferentiable cost functions. The marginal cost can be formalized as the multi-valued subdifferential a.k.a. the subgradient set but, in itself,...

Persistent link: https://www.econbiz.de/10010745163

From Russia with love: the impact of relocated firms on incumbent survival

Falck, Oliver; Guenther, Christina; Heblich, Stephan; … - London School of Economics (LSE) - 2011

effects are due to increased competition for local resources. …

Persistent link: https://www.econbiz.de/10011126565

Ownership and managerial competition: employee, customer, or outside ownership

Bolton, Patrick; Xu, Cheng-Gang - London School of Economics (LSE) - 2001

This paper centres around the question of ownership of firms and managerial competition and how these affect managers … affected by both ownership and competition since both ownership structure and competition provide bargaining chips to employees … fierce market competition and no lock-in the allocation of ownership does not play a role (as one might expect), provided …

Persistent link: https://www.econbiz.de/10010928689

A practical short-run approach to market equilibrium

Horsley, Anthony; Wrobel, Andrew J. - London School of Economics (LSE) - 2005

The “short-run approach” calculates long-run producer optima and general equilibria by building on short-run solutions to the producer’s profit maximization problem and on profit-based valuation of the fixed inputs. We outline this method and illustrate it on an example of peak-load pricing.

Persistent link: https://www.econbiz.de/10011071538

Information costs, networks and intermediation in international trade

Petropoulou, Dimitra - London School of Economics (LSE) - 2008

This paper presents a pairwise matching model with two-sided information asymmetry to analyse the impact of information costs on endogenous network building and matching by information intermediaries. The framework innovates by examining the role of information costs on incentives for trade...

Persistent link: https://www.econbiz.de/10010745054

Family-friendly working: what a performance! An analysis of the relationship between the availability of family-friendly policies and establishment performance

Gray, Helen - London School of Economics (LSE) - 2002

This paper uses the Management and Employee Questionnaires from the 1998 Workplace Employee Relations Survey (WERS98) to consider whether the performance of workplaces which offer a range of family-friendly policies are superior to that of workplaces without such practices. It is found that in...

Persistent link: https://www.econbiz.de/10010745244

Competing for contacts: network competition, trade intermediation and fragmented duopoly

Petropoulou, Dimitra - London School of Economics (LSE) - 2008

suggests that network competition between information intermediaries has a distinctive market structure, where intermediaries … Nash equilibrium. Finally, competition is affected by the technology of network development. The analysis shows that either …

Persistent link: https://www.econbiz.de/10010746133

Does planning regulation protect independent retailers?

Sadun, Raffaella - London School of Economics (LSE) - 2008

Entry regulations against big-box retailers have been introduced in many countries to protect smaller independent stores. Using a new dataset from the UK, I show that in fact these entry regulations have been associated with greater employment declines in independent stores they were meant to...

Persistent link: https://www.econbiz.de/10010746338

Geographic concentration and the temporal scope of agglomeration economics: an index decomposition

Wren, Colin - London School of Economics (LSE) - 2011

The paper decomposes a geographical concentration index to examine the temporal scope of a spillover, which is the period of time over which one firm’s activity directly affects the location of other firms’ activities. Natural advantages are fixed over reasonably long time periods, but if...

Persistent link: https://www.econbiz.de/10011125978

Market share dynamics and the 'persistence of leadership' debate

Sutton, John - London School of Economics (LSE) - 2004

This paper introduces a novel analysis of the classic “persistence of leadership” question, and applies it to a newly constructed dataset for Japanese manufacturing. The analysis rests on an appeal to an empirical “scaling relationship” between current market share and the variance of...

Persistent link: https://www.econbiz.de/10011071229