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Wyszukujesz frazę "transport function" wg kryterium: Temat


Wyświetlanie 1-2 z 2
Tytuł:
Dependence of trip length frequency distribution on characteristics of route network elements
Autorzy:
Horbachov, P.
Svichynskyi, S.
Powiązania:
https://bibliotekanauki.pl/articles/224101.pdf
Data publikacji:
2014
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
municipal public transport
allocation function
distribution law
stop co-ordinate
distance between stops
trip matrix
demand modelling
transport miejski
transport zbiorowy
cechy komunikacji miejskiej
funkcja podziału populacji
odległości między przystankami
modelowanie popytu
Opis:
The up-to-date methods of the demand modelling for municipal public transport (MPT) services are not perfect and they require an objective estimation, enhancement and improvement. These refinements are to take into account the functions of population allocation in modern cities. The possibility of the definition of population allocation functions on the basis of characteristics of public transport stops allocation, the regularities of distances between adjacent stops and distances between a pair of stops are investigated.
Źródło:
Archives of Transport; 2014, 30, 2; 21-30
0866-9546
2300-8830
Pojawia się w:
Archives of Transport
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Principles of the toll roads pricing
Autorzy:
Jaworski, P.
Liberadzki, K.
Liberadzki, M.
Powiązania:
https://bibliotekanauki.pl/articles/224057.pdf
Data publikacji:
2018
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
transportation
PPPs projects
Public-private partnerships
toll roads
Engel curves
Tőrnquist function
transport
projekt PPP
partnerstwa publiczno-prywatnego
drogi płatne
krzywe Engla
funkcja Tőrnquist
Opis:
In this paper the authors refer to the method of commercial provision of road infrastructure called BOT (build-operate-transfer) under Public-private partnerships (PPPs) scheme. First we present the investment criteria for transportation PPP projects as well as application of price theory. Then we recognize that the different participants in PPP projects have distinct goals and requirements that must be met in order for them to be able to participate in an effective partnership. The main challenge for the toll road pricing is to determine the economically viable toll rate that takes into consideration the diverse and sometimes conflicting interests of different stakeholders involved in the project. The main objective is to review the theory of economic principles for optimal toll roads pricing and to review the existing approaches to transportation projects appraisal. Then the authors show how to formally derive the condition for toll rate that meets 2 criteria: 1) is socially optimal and 2) covers operator’s costs. For this purpose we use II type Tőrnquist function, a member of an Engel family of functions. This function models the relationship between income and consumption of inferior and normal goods. Tőrnquist function is a mathematical representation of the well-known Engel curves. These curves record the relationship between the quantity of goods purchased and total income. They are not necessarily straight lines. The demand for some “luxury” goods may increase proportionally more rapidly than income, whereas the demand for “necessities” may grow proportionally less rapidly than income. The precise shape will depend on the individual’s preferences for goods as reflected in the indifference curve map. We deem the highway trip to be a “second necessity good”. There is number of economists who apply the Tőrnquist function for microeconomic analysis. The extremely simple form of the Tőrnquist function allows to get the solution in a closed form.
Źródło:
Archives of Transport; 2018, 45, 1; 53-62
0866-9546
2300-8830
Pojawia się w:
Archives of Transport
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-2 z 2

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