The Impact of Urban Transit Systems on Property Values: A Model and Some Evidences from the City of Naples

Table 3

Data.

Name	Type	Unit of measurement	Description
OMI	Alphanumeric	-	The code of the zone as provided by the OMI database
Med_REV	Integer	€	The median real estate value as provided by the OMI database
Pop	Integer	Inhabitants	Population in the OMI zone
Area	Real number	Km^2	Surface area of the OMI zone
Density	Real number	Inhabitants/km^2	Population density in the OMI zone
BD_1	Integer	Number of buildings	Number of buildings with a “very good” conservation state in the OMI zone
BD_2	Integer	Number of buildings	Number of buildings with a “good” conservation state in the OMI zone
BD_3	Integer	Number of buildings	Number of buildings with a “medium” conservation state in the OMI zone
BD_4	Integer	Number of buildings	Number of buildings with a “poor” conservation state in the OMI zone
% BD_1	Percentage	%	Percentage of buildings with a “very good” conservation state in the OMI zone
% BD_2	Percentage	%	Percentage of buildings with a “good” conservation state in the OMI zone
% BD_3	Percentage	%	Percentage of buildings with a “medium” conservation state in the OMI zone
% BD_4	Percentage	%	Percentage of buildings with a “poor” conservation state in the OMI zone
% BD_1_2	Percentage	%	Percentage of buildings with a “very good” or “good” conservation state in the OMI zone
Retail_emp	Integer	Employees	Employees in retail businesses in the OMI zone
Retail_emp_d	Real number	Employees/km^2	Density of employees in retail businesses in the OMI zone
HF_rail_st	Integer	Stations	Number of high-frequency (≥6.00 trains/h) railway stations assigned to the OMI zone
LF_rail_st	Integer	Stations	Number of low-frequency (<6.00 trains/h) railway stations assigned to the OMI zone
CF_bus	Real number	bus/h	Cumulated frequency of all bus lines assigned to the OMI zone
Central	Boolean	0/1	1 if the zone is classified as “central” in the OMI database
Semicentral	Boolean	0/1	1 if the zone is classified as “semicentral” in the OMI database
Peripheral	Boolean	0/1	1 if the zone is classified as “peripheral” in the OMI database
Suburban	Boolean	0/1	1 if the zone is classified as “suburban” in the OMI database
Rural	Boolean	0/1	1 if the zone is classified as “rural” in the OMI database
Hill	Boolean	0/1	1 if the zone belongs to one of the hill districts of the city (Vomero, Posillipo, Camaldoli, Colli Aminei)
Sea	Boolean	0/1	1 if the zone is seafront
Prestige	Boolean	0/1	1 if the zone is commonly assumed to be prestigious (Posillipo, Chiaia)