24 months

The Submitted version can be archived in:

• Author's Homepage
• Institutional Repository
• Named Repository (arXiv, AgEcon, PhilPapers, PubMed Central, RePEc, SSRN)

...with the following conditions:

• May not be updated with Publisher's Version/PDF
• Must acknowledge acceptance for publication
• Publisher source must be acknowledged with citation
• Must link to publisher version with set statement (see policy)

The Accepted version can be archived in:

• Author's Homepage
• Institutional Repository
• Named Repository (arXiv, AgEcon, PhilPapers, PubMed Central, RePEc, SSRN)

...with an embargo of 24 Months

...with the following conditions:

• Publisher source must be acknowledged with citation
• Must link to publisher version with set statement (see policy)