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Part 1: Document Description
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Citation |
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Title: |
Unshrouding: Evidence from Bank Overdrafts in Turkey |
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Identification Number: |
doi:10.7910/DVN/5CBYG5 |
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Distributor: |
Harvard Dataverse |
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Date of Distribution: |
2017-06-21 |
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Version: |
1 |
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Bibliographic Citation: |
Alan, Sule; Cemalciclar, Mehmet; Karlan, Dean; Zinman, Jonathan, 2017, "Unshrouding: Evidence from Bank Overdrafts in Turkey", https://doi.org/10.7910/DVN/5CBYG5, Harvard Dataverse, V1 |
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Citation |
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Title: |
Unshrouding: Evidence from Bank Overdrafts in Turkey |
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Identification Number: |
doi:10.7910/DVN/5CBYG5 |
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Authoring Entity: |
Alan, Sule (University of Essex and Koc University) |
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Cemalciclar, Mehmet (Koc University) |
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Karlan, Dean (Yale University) |
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Zinman, Jonathan (Dartmouth College) |
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Software used in Production: |
Stata |
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Distributor: |
Harvard Dataverse |
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Access Authority: |
Research Transparency, Data Ethics, and Governance |
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Depositor: |
Research Support, Innovations for Poverty Action |
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Date of Deposit: |
2017-04-28 |
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Holdings Information: |
https://doi.org/10.7910/DVN/5CBYG5 |
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Study Scope |
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Keywords: |
Social Sciences, Household finance, Consumer finance, Behavioral finance, Contingent charges, Deceptive advertising, Transaction-linked credit, Small-dollar loans, Consumer banking, Retail banking, Deposit accounts |
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Abstract: |
Lower prices produce higher demand… or do they? A bank’s direct marketing to holders of “free” checking accounts show that a large discount on 60% APR overdrafts reduces overdraft usage, especially when bundled with a discount on debit card or auto-debit transactions. In contrast, messages mentioning overdraft availability without mentioning price increase usage. Neither change persists long after messages stop. These results do not square easily with classical models of consumer choice and firm competition. Instead they support behavioral models where consumers both underestimate and are inattentive to overdraft costs, and firms respond by shrouding overdraft prices in equilibrium. |
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Date of Collection: |
2011-2013 |
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Country: |
Turkey |
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Unit of Analysis: |
Individual |
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Universe: |
Customers with a Yapi Kredi bank checking account and debit card in good standing, a cell phone, an average total deposit account balance<5,000 Turkish Lira from May-July 2012, fewer than three automated payments set up, and the overdraft service already in place but not used during May-July 2012. |
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Kind of Data: |
Administrative data |
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Methodology and Processing |
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Data Collector: |
Innovations for Poverty Action |
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Sampling Procedure: |
Out of 108,000 customers in the study, half were randomly assigned to receive a message on August 30th, and the rest assigned to an August 30th control group. A second, independent randomization assigned half of the sample to receive one of the three "Overdraft Interest Discount Messages" on September 15th, with this half divided into one third getting only an overdraft discount, one third getting an overdraft discount plus an automated bill payment discount, and one third getting an overdraft discount plus a debit card discount. The other half of the sample did not get an overdraft interest discount, with this group divided into one third getting the automated bill payment discount only, one third getting the debit card discount only, and one third getting only the overdraft availability reminder. A third, independent randomization assigned one third of the sample not to receive any more messages after September 15th, one third to receive the message again every 10 days, and one third to receive the message again every 20 days. |
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Mode of Data Collection: |
Administrative data from Yapi Kredi received via encrypted zip files. |
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Sources Statement |
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Data Access |
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Notes: |
<a href="http://creativecommons.org/publicdomain/zero/1.0">CC0 1.0</a> |
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Other Study Description Materials |
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Related Materials |
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http://www.poverty-action.org/publication/unshrouding-effects-demand-costly-add-evidence-bank-overdrafts-turkey |
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Label: |
Turkey Dataverse Files.zip |
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Text: |
This folder contains all of the files needed to replicate the publication. |
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Notes: |
application/zip |
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Label: |
Codebooks.zip |
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Text: |
This folder contains all of the codebooks for the datasets used in the analysis. |
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Notes: |
application/zip |
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Label: |
Data.zip |
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Text: |
This folder contains all of the data files necessary to replicate the study. |
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Notes: |
application/zip |
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Label: |
Do.zip |
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Text: |
This folder contains all of the do files necessary to replicate the study. |
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Notes: |
application/zip |
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Label: |
ReadMe.pdf |
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Text: |
This ReadMe file contains basic information on the data, code, software compatibility, and the compilation of the tables. |
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Notes: |
application/pdf |