Codebook for Chapter 4 data

- title
title of agreements

- coil_id
id used in the book

- unts_id
id in United States Treaty Series

- sign
the date of signature (DDMMYYYY)

- force
the date of entry into force (DDMMYYYY)

- issue
Survey map: Q.73 What is the main issue area?
type: categorical
	a: security
	b: economics
	c: environment
	d: human rights

- subissue
Survey map: Q.74 What is the main sub-issue area?
type: categorical
	a: environment
	b: security 
	c: disarmament
	d: human rights
	e: monetary matters
	f: agricultural commodities
	g: investment
	h: finance 



- finite

Survey map: Q923. Is the agreement finite or indefinite? 
type: binary (1 if finit; 0 if indefinite)


- indefinite 

Survey map: Q923. Is the agreement finite or indefinite? 
type: binary (1 if indefifinit; 0 if finite)



- contingent

Survey map: Q923. Is the agreement finite or indefinite? - "-1"
type: binary 
note: See Chapter 4 in the book for the detailed explanation of this variable


- duration

Survey map: Q924. What is the agreement’s intended duration (in years)?
type: integer 
note: -1 if contingent, NA if indefinite


- number

Survey map: Q.7. What is the original number of signatories? 
type: integer


- sd_idealpoint
Standard deviation of the ideal point. 
source: Bailey, Strezhnev, Voeten (2015). See p.115 of the book. 

- max_idealpoint
Maximum value of the ideal point

- un_world
Survey map: Q.18. How can the cooperation problem be characterized? - Uncertainty about the state of the world 
type: binary