Every reference with a DOI in the deposited reference list resolved to a known
work in Crossref or DataCite at the dated check, and none carried a retraction,
withdrawal, or removal notice.
The 47 checked references that resolve
resolves10.2307/3866403A Theory of Demand for Products Distinguished by Place of Production (Une theorie de la demande de produits differencies d'apres leur origine) (Una teoria de la demanda de productos distinguiendolos segun el lugar de produccion)
resolves10.3386/w12516Gravity for Dummies and Dummies for Gravity Equations
resolves10.1016/j.jue.2006.02.007How density economies in international transportation link the internal geography of trading partners
resolves10.1057/mel.2014.3The effect of maritime transport costs on the extensive and intensive margins: Evidence from the Europe–Asia trade
resolves10.1093/jnlecg/lbh062Transport costs: measures, determinants, and regional policy implications for France*
resolves10.1111/1467-9701.00432An Econometric View on the Estimation of Gravity Models and the Calculation of Trade Potentials
resolves10.1007/s001810200146The proper panel econometric specification of the gravity equation: A three-way model with bilateral interaction effects
resolves10.3386/w6398Did Unilateral Divorce Raise Divorce Rates? Evidence from Panel Data
resolves10.1257/jep.21.3.131Transportation Costs and International Trade in the Second Era of Globalization
resolves10.1086/422562Shipping the Good Apples Out? An Empirical Confirmation of the Alchian‐Allen Conjecture
resolves10.1080/09638190500212121Transport costs and trade: Empirical evidence for Latin American imports from the European union
resolves10.1111/1468-0262.00467The Impact of Trade on Intra-Industry Reallocations and Aggregate Industry Productivity
resolves10.1023/A:1016322722832Direction dependent prices in public transport: A good idea? The back haul pricing problem for a monopolistic public transport firm
resolves10.1007/BF01026585Market choice, entry regulation, and joint production: Market access and market service in motor carrier markets
resolves10.1007/BF01418232Market access in regulated and unregulated markets: The continuing cost of interstate motor carrier regulation
resolves10.1257/aer.96.5.1802Did Unilateral Divorce Laws Raise Divorce Rates? A Reconciliation and New Results
The 28 references without a DOI — listed, not checked
no DOI — not checkedComplementarity in production and empty backhauls in transportation
no DOI — not checkedref7
no DOI — not checkedref14
no DOI — not checkedCost benefit analysis to support the impact assessment accompanying the revision of directive 1999/32/EC on the sulphur content of certain liquid fuels
no DOI — not checkedref21
no DOI — not checkedComparative advantage, trade, and payments in a ricardian model with a continuum of goods
no DOI — not checkedref27
no DOI — not checkedref28
no DOI — not checkedref30
no DOI — not checkedref31
no DOI — not checkedInternational prices and endogenous quality*
no DOI — not checkedref35
no DOI — not checkedref38
no DOI — not checkedref39
no DOI — not checkedAdministrative barriers and the lumpiness of trade
no DOI — not checkedThe EU directive on low sulphur fuel (2005/33/EC): A legal and insurance industry perspective
no DOI — not checkedref49
no DOI — not checkedref50
no DOI — not checkedref58
no DOI — not checkedref60
no DOI — not checkedref61
no DOI — not checkedref62
no DOI — not checkedref64
no DOI — not checkedThe transfer problem and transport costs, ii: Analysis of effects of trade impediments
no DOI — not checkedref68
no DOI — not checkedThe intermodal container era: History, security, and trends
no DOI — not checkedref71
no DOI — not checkedref72
checked 2026-08-02 — re-checked daily as this page is visited;
titles and statuses come from Crossref and DataCite and are not part of the signed record
Both snippets point at the live badge image and link back to this page. The
badge re-renders from the daily check, so an embed never goes stale by more than a day of visits.