Treść książki

Przejdź do opcji czytnikaPrzejdź do nawigacjiPrzejdź do informacjiPrzejdź do stopki
8
Preface
ofresearchobjectiveswouldnotbepossiblewithoutthecollectionofextensive
databases.Therefore,animportantpartofthestudywasthedevelopmentof
softwareforwebdataextraction,whichwasusedtogatherlargedatasets(both
intermofthevarietyofcommoditiesandnumberofcollectedobservations)
particularlyfittedtotheneedsoftheresearch.Thedevelopedsoftwarefor
automaticdatacollectionfromtheInternetsitesisversatileandcanbeused
inthefutureforfurtherdatacollectionontheanalysedgoods(afterupdating),
aswellasforcollectingdataonothergoods(aftertheadaptationofthecode).
Thismonographprovidesthereportfromexecutedresearchandpresentschosen
resultsandoutcomesofperformedanalyses.Thefirstchaptersystematizesthe
informationonhedonicmodellingandtheapplicationofhedonicmethodsinthe
constructionofquality-adjustedpriceindexes.Thepossibleareasofapplication
ofhedonicregressionareindicated,andvariousmethodsofhedonicpriceindices
creationaredescribedindetail.Thepresentationofdevelopedsoftwarefor
dataextractionandinfrastructurefordataanalysisisgiven.Resultingfromthe
processofdatacollectiondatabasesarelistedanddescribed.Thechapterends
withmethodologicalnotes.Thefollowingfourchapterspresenttheresultsofthe
undertakenattemptstoapplyhedonicmodellingtothedataforvariousgroups
ofheterogeneouscommodities,andcreatequality-adjustedhedonicindices.
Theempiricalresearchhasbeenconductedforfourgroupsofheterogeneous
commodities:ICT/ITgoodsandconsumerelectronics,householdappliances,
apartmentsinchosenPolishcities,aswellasusedautomobiles.
Thegoaloftheresearchwastoconductuniqueintermsofbothscopeand
scaleempiricalresearchregardingtheapplicationofhedonicmodelsin
implementingqualityadjustmentsinpriceindicesconstructedforvarious
groupsofcommodities.Thepresentedmethodsandcollecteddatabases
allowedtoexecuteextensiveanalysesandtestvarioushedonicapproaches,
whichresultedinobtaininginformationonapplicabilityconditionsand
limitationsofhedonicmethods,aswellasnewknowledgeonpricedynamics
onselectedPolishmarketsofheterogeneousgroupsofgoodsintheperiod
fromthesecondquarterof2014tillthethirdquarterof2016.