Roger Pyddoke


Picture of Roger Pyddoke

Research results from Roger


Vilka reser med kollektivtrafik i lands- och glesbygd?: demografi och resmönster

The Swedish government has commissioned VTI to study and assess innovative and efficient solutions for public transport in rural areas. To be successful in this task, it is essential with comprehensive knowledge on how the Swedish rural population...

Distributional effects of taxes on car fuel, use, ownership and purchases

We analyse distributional effects of four car-related tax instruments: an increase of the fuel tax, a new kilometre tax, an increased CO2-differentiated vehicle ownership tax, and a CO2-differentiated purchase tax on new cars. Distributional effects...

Implementing Optimal Supply of Public Transport: The Choice between Tendering and...

This paper compares two approaches for providing public transport: competitive tendering and targeted subsidies. The subsidy option means that commercial operators charge a fare, and are paid by the public sector principal both per passenger and per...

Modelling effects of policy instruments for sustainable urban transport in Scandinavia

The purpose of this paper is to review the modelling used for the planning of infrastructure and design of policy instruments for transport in cities in Scandinavia, and to survey elasticities of transport demand with respect to policy instruments...

The influence of public transport supply on private car use in 17 mid-sized Swedish...

We analyse the impact of increased public transport supply on private car use using micro data on individuals from 17 mid-sized cities in Sweden. The data is obtained from Swedish administrative registers (tax and odometer), which exists for all...

Trängsel på spåren?: fördelning av tåglägen i tågplanerna 2014–2016

In this study, VTI examined the allocation of Swedish Transport Administration timetables 2014-2016 where we compare rail companies filed applications for train paths – as they were presented at the deadline for applications in spring for the coming...

Uppföljning av E20-avtalen


Differences in the effects of fuel price and income on private car use in Sweden 1999-2008

The objective of this paper is to analyse how the use of privately owned cars in Sweden varies across a number of background parameters including fuel price, disposable income, car purchase cost index, children over 18, employment and the car...

Regress - en god idé i järnvägssektorn?

VTI has been commissioned to analyze the preconditions for, and possible consequences of introducing the possibility of regress in the railway industry. Regress refers to the possibility of anyone that is stricken by financial consequences of train...

Samhällsekonomisk analys av förändrad frekvens och taxa för regionaltågstrafik i...

Over the past two decades, both the supply of and the travel by regional trains increased significantly in Sweden. The impact of these increases has so far only to a limited extent been analysed with cost-benefit analysis. The purpose of this study...

Tidtabelläggning: principer, tumregler och utfall

The Swedish Transport Agency (Transportstyrelsen) has commissioned VTI to assist in deepening the understanding of the way in which existing railway infrastructure can be efficiently used. The assignment also includes giving advice to the agency’s...

Household car ownership in urban and rural areas in Sweden 1999–2008

This paper studies household car ownership in urban and rural areas in Sweden using register data for all adult Swedes from 1999 to 2008. Data for individuals are linked to members of the same household, allowing us to estimate models of households....

Landbaserade godstransporter, klimat och styrmedel: underlagsrapporter 1-10

VTI notat 28-2014 contains the ten underlying reports which is the base for VTI report 831: “Land based freight transports, climate and policy – Summary report”. In VTI report 831, the researchers discuss greenhouse gas emissions from freight...

Optimal supply of public transport: subsidising production or consumption or both?

This paper compares two approaches for providing public transport: competitive tendering and vouchers. The functioning of tendering is well known. The voucher alternative means that commercial operators charge passengers a fare and are also paid by...

Response to a social dilemma: an analysis of the choice between an economic and an...

Many countries have begun to require benefit-cost analysis as a way of informing key regulatory decisions. However, its actual use seem to be limited, especially in the area of environmental, health, and safety regulation. Reasons for this seem to...

Trängsel och knapphet på väg, järnväg och i kollektivtrafik: delstudie inom SAMKOST

The purpose of this study is to take stock of Swedish data and studies that could form the basis of the estimation of marginal costs for congestion on roads and scarcity of railway capacity. Furthermore, the development of methods to estimate and...

Två studier av kostnader för upphandlade asfaltbeläggningar

This report presents the results of two studies that analyze the costs of the Swedish Transport Administration’s (Trafikverket) tendered contracts for road pavements. Trafikverket provided two different sources of information about the pavement...

Frivilliga klimatåtgärder på den svenska godstransportmarknaden: en intervjustudie

This interview study asks both buyers and providers of road freight transport about measures to reduce emissions of greenhouse gases, their costs and effects. The interviewed companies have been selected among companies with explicit climate...

Förslag till Nationell plan för transportsystemet 2014–2025: kvalitetsgranskning av...

In June 2013, the Swedish Transport Administration (Trafikverket) presented a proposal for a new plan for the development of the transport system between 2014 and 2025. This new national transport plan (NTP) was a result of a government commission...

Kollektivtrafikens roll för regeringens mål om fossiloberoende fordonsflotta

The Swedish government has an ambition to make its vehicle fleet independent of fossil fuels by 2030. As a platform for a strategy, the government has appointed a committee which is instructed to consider which policy instruments may be used to...

Marknadsöppning – och sen?: Samhällsekonomisk analys av förutsättningarna för en stärkt...

Swedens market for public transport, both bus and rail, was opened for entry in January 2012. Any fit, willing and able operator is entitled to provide services on a commercial basis. During the first year after market opening, little has happened....

The impact of education on environmental policy decision-making

Civil servants in governmental agencies regularly both propose environmental policies for the elected politicians and make own decisions. In making these decisions they may be influenced by legal norms, agency policy and culture, professional norms...

The Liberalisation of Railway Passenger Transport in Sweden

The purpose of this paper is to describe Sweden’s recent reforms to open the railway passenger markets to entry, and to address how the reforms have handled four critical issues for the success of the reforms: the allocation of infrastructure...

Congestion charges and labour market imperfections: “wider economic benefits” or “losses”?

The presence of distortive taxation and agglomeration benefits in the labour market means that there are benefits and losses not captured by standard cost-benefit analyses of transport policy measures. Recent theoretical analyses have raised...

Fyrstegsprincipen i praktiken: tre underlagsrapporter för Riksrevisionens granskning av...

Sweden’s parliament and its government have access to a number of means for implementing overarching policies, inter alia in the transport sector. There is a broad consensus that the four step principle should provide the basic logic for choice of...

Före och efter: uppföljning av en järnvägsinvestering i Oslo

VTI has been commissioned to make an ex post evaluation of a new double track between Asker and Sandvika to the southwest of Oslo. This is one out of three parcels in a package of railway investments in this area. The decision to implement the...

Inträdeshinder och flaskhalsar för en öppen marknad för persontransporter på järnväg

The purpose of this report is to assess the likelihood of expansion of supply from established or new operators in the Swedish passenger rail market, what may be hindrances to such developments and to analyze possible alternative measures to remove...

Medfinansiering av transportinfrastruktur: blev det mer och bättre?

One objective during work with Sweden’s 2010–2021 investment program was to induce local and regional, both public and private, contribution to the financing of investment projects. In this way, it would be feasible to enhance the total volume of...

På spaning efter den innovativa myndigheten

This report makes suggestions for how the government can improve on the monitoring of its agencies and the productivity of its activities. The instrument for doing so is to ascertain a regular review of costs in the contract signed between...

The liberalization of railway passenger transport in Sweden: outstanding regulatory...

The purpose of this paper is to describe Sweden’s recent reforms to open the railway passenger markets to entry, and to addresses four critical issues for the success of the reforms; the allocation of infrastructure capacity, the provision of...

Utvecklingen på telemarknaderna efter regelreformerna

In 1993, the Telecommunications Act formally opened the market for telecommunications in Sweden for entry. After 10 years, it was replaced by the Electronic Communications Act (LEK) both to implement a set of EU Directives, and to adapt to...

Vart tar pengarna vägen?: om behovet av bättre uppföljning för ökad effektivitet i...

It is possible to enhance the cost effectiveness of infrastructure investments in the public sector. In this VTI report it is also stated that the costs for implementing a system which would facilitate the identification of successes and failures...

Cost overruns in Swedish transport projects

Cost overrun of transport projects is one of the most important problems in transport planning. It also makes the result of the cost-benefit analyses uncertain, thus decreasing their usefulness for decision making. In recent years more emphasis has...

The role of ticket retailing in railway regulation

European railway regulation proceeds on the assumption that increased competition among railway operating companies will yield lower prices and better services for passengers. At the same time legislators are aware that insufficient provision of...

Miljöpolitik på samhällsekonomisk grund: en fallstudie om styrmedlet miljökvalitetsnormer...

The purpose of the present project is to examine whether or not economic analysis and quantified assessments have been part of the information used when designing and implementing these environmental quality standards for nitrodioxid and particles...

Quality incentives and quality outcomes in procured public transport: Case study Stockholm

Gross contracts appear to be the most common contract form for procured public transport in Sweden and elsewhere. This contract form, it has been argued, gives weak incentives for operators to deliver the desired quality level. Therefore many...

Strategi för Transportstyrelsens marknadstillsyn över järnvägssektorn

The purpose of this report is to analyse Transportstyrelsen's (the Swedish Transport Agency´s) remit in it's capacity as rail market regulator and the distribution of responsibilities between the government, Transportstyrelsen and infrastructure...

Quality incentives versus quality outcome in procured public transport: case study...

Gross contracts appear to be the most common contract form for procured public transport in Sweden and elsewhere. This contract form, it has been argued, gives weak incentives for operators to deliver the desired quality level. Therefore many...

Collusion without communication

We study tacit collusion by investigating experimentally the effect of explicit instructions on how to coordinate prices. We find:no tacit collusion in triopoly markets even with explicit instructions on how to coordinateincreased tacit collusion...