Class information for:
Level 1: WATER UTILITIES//UTILITIES POLICY//ECONOMIES OF VERTICAL INTEGRATION

Basic class information
Class id #P Avg. number of
references		 Database coverage
of references
16969 625 29.7 32%


Bar chart of Publication_year

Last years might be incomplete

Hierarchy of classes
The table includes all classes above and classes immediately below the current class.


Cluster id Level Cluster label #P
1 4 ECONOMICS//EDUCATION & EDUCATIONAL RESEARCH//PSYCHOL 3876184
425 3       AGRICULTURAL ECONOMICS & POLICY//DATA ENVELOPMENT ANALYSIS//ECONOMICS 28061
1720 2             DATA ENVELOPMENT ANALYSIS//DEA//DATA ENVELOPMENT ANALYSIS DEA 6640
16969 1                   WATER UTILITIES//UTILITIES POLICY//ECONOMIES OF VERTICAL INTEGRATION 625

Terms with highest relevance score


rank Term termType Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class
1 WATER UTILITIES authKW 828696 7% 39% 43
2 UTILITIES POLICY journal 257183 7% 13% 42
3 ECONOMIES OF VERTICAL INTEGRATION authKW 244277 1% 100% 5
4 ESTUDIOS URBANOS address 187893 2% 38% 10
5 WATER COMPANIES authKW 184141 1% 54% 7
6 URBAN WATER UTILITIES authKW 152669 1% 63% 5
7 SMALL TO MEDIUM SIZED WATER UTILITIES authKW 146566 0% 100% 3
8 WATER POLICY journal 112075 6% 6% 40
9 PURC address 111666 1% 57% 4
10 MANAGEMENT STUDIES CEG IST address 109911 1% 25% 9

Web of Science journal categories


Rank Term Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class
1 Economics 13079 49% 0% 307
2 Environmental Studies 4985 16% 0% 101
3 Water Resources 4049 22% 0% 137
4 Social Sciences, Mathematical Methods 1780 7% 0% 42
5 Business, Finance 780 5% 0% 34
6 Engineering, Civil 702 10% 0% 61
7 Environmental Sciences 638 17% 0% 105
8 Business 522 6% 0% 35
9 Energy & Fuels 495 10% 0% 61
10 Public Administration 290 2% 0% 15

Address terms


Rank Term Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class
1 ESTUDIOS URBANOS 187893 2% 38% 10
2 PURC 111666 1% 57% 4
3 MANAGEMENT STUDIES CEG IST 109911 1% 25% 9
4 DPTO ECON INT ESPANA 97711 0% 100% 2
5 PUBL UTIL 71049 1% 18% 8
6 COMPETIT REGULATORY POLICY 65139 0% 67% 2
7 DEV EXTERNAL SERV 65139 0% 67% 2
8 INGN HIDRAUL AMBIENTAL 58121 2% 9% 13
9 DPTO ECON LICADA 52106 1% 27% 4
10 ASSET MANAGEMENT CONSULTANT 48855 0% 100% 1

Journals


Rank Term Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class
1 UTILITIES POLICY 257183 7% 13% 42
2 WATER POLICY 112075 6% 6% 40
3 JOURNAL OF PRODUCTIVITY ANALYSIS 33389 4% 3% 23
4 JOURNAL OF REGULATORY ECONOMICS 18351 3% 2% 17
5 SOUTHERN ECONOMIC JOURNAL 16816 5% 1% 29
6 QUARTERLY REVIEW OF ECONOMICS AND BUSINESS 15296 2% 3% 10
7 ENERGY ECONOMICS 11504 4% 1% 26
8 JOURNAL OF WATER SUPPLY RESEARCH AND TECHNOLOGY-AQUA 9519 2% 1% 14
9 RESOURCES AND ENERGY 8485 1% 3% 6
10 INTERNATIONAL JOURNAL OF WATER RESOURCES DEVELOPMENT 7383 2% 2% 10

Author Key Words


Rank Term Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class		 LCSH search Wikipedia search
1 WATER UTILITIES 828696 7% 39% 43 Search WATER+UTILITIES Search WATER+UTILITIES
2 ECONOMIES OF VERTICAL INTEGRATION 244277 1% 100% 5 Search ECONOMIES+OF+VERTICAL+INTEGRATION Search ECONOMIES+OF+VERTICAL+INTEGRATION
3 WATER COMPANIES 184141 1% 54% 7 Search WATER+COMPANIES Search WATER+COMPANIES
4 URBAN WATER UTILITIES 152669 1% 63% 5 Search URBAN+WATER+UTILITIES Search URBAN+WATER+UTILITIES
5 SMALL TO MEDIUM SIZED WATER UTILITIES 146566 0% 100% 3 Search SMALL+TO+MEDIUM+SIZED+WATER+UTILITIES Search SMALL+TO+MEDIUM+SIZED+WATER+UTILITIES
6 ECONOMICS OF VERTICAL INTEGRATION 97711 0% 100% 2 Search ECONOMICS+OF+VERTICAL+INTEGRATION Search ECONOMICS+OF+VERTICAL+INTEGRATION
7 FUEL ADJUSTMENT CLAUSE 97711 0% 100% 2 Search FUEL+ADJUSTMENT+CLAUSE Search FUEL+ADJUSTMENT+CLAUSE
8 MULTI UTILITIES 97711 0% 100% 2 Search MULTI+UTILITIES Search MULTI+UTILITIES
9 PANEL INDEX NUMBERS 97711 0% 100% 2 Search PANEL+INDEX+NUMBERS Search PANEL+INDEX+NUMBERS
10 PARTIAL FRONTIER NONPARAMETRIC METHODS 97711 0% 100% 2 Search PARTIAL+FRONTIER+NONPARAMETRIC+METHODS Search PARTIAL+FRONTIER+NONPARAMETRIC+METHODS

Core articles
The table includes core articles in the class. The following variables is taken into account for the relevance score of an article in a cluster c:
(1) Number of references referring to publications in the class.
(2) Share of total number of active references referring to publications in the class.
(3) Age of the article. New articles get higher score than old articles.
(4) Citation rate, normalized to year.


Rank Reference # ref.
in cl.		 Shr. of ref. in
cl.		 Citations
1 GONZALEZ-GOMEZ, F , GARCIA-RUBIO, MA , (2008) EFFICIENCY IN THE MANAGEMENT OF URBAN WATER SERVICES. WHAT HAVE WE LEARNED AFTER FOUR DECADES OF RESEARCH?.HACIENDA PUBLICA ESPANOLA-REVIEW OF PUBLIC ECONOMICS. VOL. . ISSUE 185. P. 39 -67 39 91% 12
2 ABBOTT, M , COHEN, B , (2009) PRODUCTIVITY AND EFFICIENCY IN THE WATER INDUSTRY.UTILITIES POLICY. VOL. 17. ISSUE 3-4. P. 233-244 30 94% 67
3 CARVAHO, P , MARQUES, RC , BERG, S , (2012) A META-REGRESSION ANALYSIS OF BENCHMARKING STUDIES ON WATER UTILITIES MARKET STRUCTURE.UTILITIES POLICY. VOL. 21. ISSUE . P. 40 -49 28 85% 21
4 GUERRINI, A , ROMANO, G , CAMPEDELLI, B , (2013) ECONOMIES OF SCALE, SCOPE, AND DENSITY IN THE ITALIAN WATER SECTOR: A TWO-STAGE DATA ENVELOPMENT ANALYSIS APPROACH.WATER RESOURCES MANAGEMENT. VOL. 27. ISSUE 13. P. 4559 -4578 34 65% 19
5 GONZALEZ-GOMEZ, F , GARCIA-RUBIO, MA , ALCALA-OLID, F , ORTEGA-DIAZ, MI , (2013) OUTSOURCING AND EFFICIENCY IN THE MANAGEMENT OF RURAL WATER SERVICES.WATER RESOURCES MANAGEMENT. VOL. 27. ISSUE 3. P. 731 -747 34 67% 5
6 ABBOTT, M , COHEN, B , (2010) STRUCTURAL REFORM AND PRODUCTIVITY IN THE WATER AND WASTEWATER INDUSTRY: EMERGING ISSUES.WATER RESOURCES RESEARCH. VOL. 46. ISSUE . P. - 27 90% 3
7 GUERRINI, A , ROMANO, G , LEARDINI, C , MARTINI, M , (2015) THE EFFECTS OF OPERATIONAL AND ENVIRONMENTAL VARIABLES ON EFFICIENCY OF DANISH WATER AND WASTEWATER UTILITIES.WATER. VOL. 7. ISSUE 7. P. 3263 -3282 31 66% 3
8 MERCADIER, AC , CONT, WA , FERRO, G , (2016) ECONOMIES OF SCALE IN PERU'S WATER AND SANITATION SECTOR.JOURNAL OF PRODUCTIVITY ANALYSIS. VOL. 45. ISSUE 2. P. 215 -228 21 100% 0
9 WORTHINGTON, A , (2014) A REVIEW OF FRONTIER APPROACHES TO EFFICIENCY AND PRODUCTIVITY MEASUREMENT IN URBAN WATER UTILITIES.URBAN WATER JOURNAL. VOL. 11. ISSUE 1. P. 55-73 22 88% 10
10 LO STORTO, C , (2013) ARE PUBLIC-PRIVATE PARTNERSHIPS A SOURCE OF GREATER EFFICIENCY IN WATER SUPPLY? RESULTS OF A NON-PARAMETRIC PERFORMANCE ANALYSIS RELATING TO THE ITALIAN INDUSTRY.WATER. VOL. 5. ISSUE 4. P. 2058-2079 27 71% 0

Classes with closest relation at Level 1


Rank Class id link
1 13343 CONTRACTING OUT//PUBLIC ADMINISTRATION//CONTRACT PERFORMANCE
2 37075 COALITION EXTERNALITY//CZECH POST//DEA BASED METHOD
3 7279 TECHNICAL EFFICIENCY//STOCHASTIC FRONTIER//STOCHASTIC PRODUCTION FRONTIER
4 7479 RESIDENTIAL WATER DEMAND//WATER DEMAND//WATER DEMAND MANAGEMENT
5 128 DATA ENVELOPMENT ANALYSIS//DEA//DATA ENVELOPMENT ANALYSIS DEA
6 12139 HYDROSOCIAL CYCLE//URBAN POLITICAL ECOLOGY//HYDROSOCIAL TERRITORY
7 23633 INTERFUEL SUBSTITUTION//INTER FACTOR SUBSTITUTION//CAPITAL ENERGY SUBSTITUTION
8 5278 TELECOMMUNICATIONS POLICY//JOURNAL OF REGULATORY ECONOMICS//ACCESS PRICING
9 28734 WORKING CAPITAL DEFICIT//CANADIAN PUBLIC POLICY-ANALYSE DE POLITIQUES//CHAIRE ECON ENERGIE ELE IQUE
10 26387 COMMON CARRIAGE//CABLE TELEVISION//ACCELERATING PRODUCTION

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