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4.VERIFICATIONMETHODS
characterizationoftheconvergenceprocessoftheEU-28countriesandchangesthatoc-
curredinseparatesub-periods,takingintoaccountseparatedphasesofthefinancialcrisis0
Fromthepointofviewoftheanalysedphenomenonofpublicfinancediscipline
(fiscalconsolidation),thisstudyissupposedtoconstitutethebasisforconfirmingor
rejectingthisthesis,accordingtowhichthedifferentsituationofindividualmem-
berstatesisanargumentfortheindividualizationofinstitutionalsolutionsdefined
(created)bytheEuropeanUnion0
4.7.ConvergenceoreconomicdivergenceinEurope
Discipliningpublicfinancesimplementedinthemediumandlongertermmayhave
adifferentimpactontheconvergenceordivergenceofcountriesbelongingtosuchan
economicandsocialorganisationastheEuropeanUnion0Measurementofconver-
gence(divergence)canbemadewhenanalysingmanydifferenteconomicandsocial
variables,whereconvergenceisunderstoodhereasareductionofdifferencesineco-
nomicfiguresbetweencountriesatalowerlevelofdevelopmentandthehighlydevel-
opedcountries0Theprocessesofeconomic,andmoreimportantly,socialconvergence,
arecarriedoutinmanyfields,hencetheassessmentoftheseprocesseswouldrequire
takingintoaccountmanyparametersofthecitizens’livingstandardsandtheongo-
ingchanges0Numerousstudiesonthissubject,however,showthattheapplication
ofmanyindicatorsofwell-beingofthecitizens,suchasprivateconsumption,public
consumption,expenditureonhealthcare,education,environmentalprotectionetc0,
inthelongertermaredeterminedbytheGDPratiopercapita0Theadvantageof
GDPasameasureofeconomicandsocialchangesinindividualcountriesisthatitis
asyntheticmeasureofeconomicactivitythatincorporatesotherimportanteconomic
variablesandparameters,suchastheuseofhumancapital(employment),useof
materialcapital(productiveapparatus),workefficiency,privateinvestment,public
investmentetc0However,theGDPpercapitaindexalsohasitsweaknesses,because
atthelevelofcomparisonsbetweencountries,theproportionsofGDPdividedby
populationgroups,regionsarenottakenintoaccount0Inotherwords,differentsocial
groups,areas,and,ultimately,individualcitizenscanbethebeneficiariesofeconomic
growth(GDP)todifferentdegrees0Researchonconvergenceatthatlevel,whichis
otherwiseneededandcarriedout,goesbeyondthescopeofourresearch0
Itshouldalsobenotedthatthestudyofconvergence(divergence)processes,even
withtherelativelysimplecriterionofGDPpercapita,encountersmethodological
difficulties0Thisisduetotheinstabilityofeconomicdevelopmentindicatorsinsub-
sequentyears,whichmakesitdifficulttoformulatereliableobjectifiedconclusions,
letaloneforecasts0Changesintheconvergenceratioarenon-linear,whichshouldbe
interpretedasconvergenceinoneperiod,whileinthenextperiodmacroeconomic
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