John M. Hartwick

Queen's University

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Co-Authors

Ngo Van Long

Ifo Institute for Economic Research

Geir B. Asheim

University of Oslo

Philip G. Hartwick

Dimension Technologies (United States)

Tapan Mitra

Cornell University

David W. K. Yeung

Hong Kong Shue Yan University

Kirk Hamilton

London School of Economics and Political Science

АБ

Андрей Бажанов

Lomonosov Moscow State University

Murray C. Kemp

UNSW Sydney

Cees Withagen

Vrije Universiteit Amsterdam

Wolfgang Buchholz

University of Regensburg

Cooperative Institutions

Queen's University

University of California, Berkeley

University of Gothenburg

University of British Columbia

Ifo Institute for Economic Research

National Bureau of Economic Research

Umeå University

Michigan State University

London School of Economics and Political Science

Université Paris Cité

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Research Field

Efficient Resource Allocation in a Multinucleated City

RePEc: Research Papers in Economics (1972)

John M. Hartwick Philip G. Hartwick

Mills' programming model of efficient resource allocation in an urban area is extended to include multiple nuclei and intermediate goods. The new model is a decomposable linear program in which the primary resource value of the city plus transportation costs are minimized subject to a prescribed bill of final demands for the city and to land constraints consisting of cells in a areal grid. Shadow prices on land emerge in the dual problem.

Shadow price

Land Values

Value (mathematics)

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THE ACTIVITY ANALYSIS APPROACH TO URBAN MODEL BUILDING

Papers of the Regional Science Association (1975)

John M. Hartwick Philip G. Hartwick

10.1111/j.1435-5597.1975.tb00949.x

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Citations (10)

What Would Solow Say?

Journal of Natural Resources Policy Research (2009)

John M. Hartwick

10.1080/19390450802504451

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Citations (7)

Investment Rules and Time Invariance Under Population Growth

SSRN Electronic Journal (2020)

Geir B. Asheim John M. Hartwick Tapan Mitra

We propose an adaptation of Hartwick’s investment rule to models with population growth and show that following Hartwick’s rule is equivalent to a time-invariant real per capita net national product. In the so-called DHSS model of capital accumulation and resource depletion the proposed Hartwick’s rule equates the accumulation of per capita capital, net of the capital dilution effect of population growth, to the value of the depletion of the resource, gross of the capital dilution effect. We investigate why this asymmetry arises by analyzing a general model with multiple capital goods, in which we obtain a formulation of Hartwick’s investment rule where capital gains play a role if population growth is positive. Since capital gains accrue only to the resource but not to capital, we get the apparent asymmetry in the DHSS model. In both models we obtain as a corollary that keeping the value of net investments equal to zero leads to constant consumption if population is constant.

Capital (architecture)

Investment

Capital Accumulation

Capital deepening

Capital good

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Trade in Intermediate Goods and International Specialization

RePEc: Research Papers in Economics (1993)

John M. Hartwick

We characterize the multiplicity of patterns of trade in the neo-classical two country, two factor, two final good model extended to incorporate an essential intermediate good. With factor price equalization and no trade in the intermediate good, there are no gains from trade by opening up the world to trade in the intermediate good. However, with factor price equalization and trade in the intermediate good, there can be losses from closing off trade in the intermediate good. Examples are presented. We note that there are definable patterns of specialization for identical countries, given compulsory trade in intermediate goods between them. we also examine the cases of three primary factors and two essential intermediate goods.

Intermediate good

Final good

Factor price

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Loan Monitoring and Deposit Servicing by Commercial Banks in a Stationary Environment

RePEc: Research Papers in Economics (1999)

John M. Hartwick

We take up the hypothesis that risk premiums on equities are embodying the costs incurred by equity holders in monitoring the firms which they have invested in. This idea is a key ingredient in our construction of a two sector neoclassical model with widget producing firms and commercial banks. So-called user costs or interest rate spreads are key prices of commercial bank services in the model. Commercial banks produce deposit services (check-writing services or transactions services) and lending services to widget producers.

Equity

Commercial banking

10.22004/ag.econ.273407

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On Beckmann’s Dispersed "Interaction City"

RePEc: Research Papers in Economics (2007)

Андрей Бажанов John M. Hartwick

Beckmann;s model has each resident touching base in face-to-face activity every other resident, per unit time, at the other's residence. Were-work his resulting interaction each resident operating with a Cobb-Douglas utility function. We then turn to a more satisfactory technology of residents interacting and solve for an city an explicit payoff to resident i forengaging in interaction.

Stochastic game

10.22004/ag.econ.273646

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Duopoly in Space

Canadian Journal of Economics/Revue canadienne d économique (1971)

John M. Hartwick Philip G. Hartwick

Hotelling's 1929 article concerning the behavior of duopolists in a spatial setting has had a lasting influence in economics and political science. With a simple model, he was able to elucide why our cities become uneconomically large and business districts within them too concentrated; and why Methodist and Presbyterian churches are too much alike;cider is too homogenous. In this paper, we develop the constant non-zero elasticity of demand case which Hotelling referred to.(This abstract was borrowed from another version of this item.)

Duopoly

10.2307/133549

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Citations (25)

The Control of Land Rent in the Fortified Farming Town

RePEc: Research Papers in Economics (2006)

John M. Hartwick

We consider costly administration at the center of a farming community surrounding a fortified village. Land rent taxation is high cost mode of financing central administration in a tax incidence sense. Participatory administration by the governed is a lower cost alternative. We speculate why the low cost option has been out-competed by its higher cost alternative throughout history. We also take up constraints on predation on farmers by a landlord at the center.

Landlord

10.22004/ag.econ.273572

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Increasing returns, exhaustible resources, and optimal growth

Economics Letters (1978)

John M. Hartwick

Returns to scale

Constant (computer programming)

Capital (architecture)

10.1016/0165-1765(78)90030-7

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Citations (3)