Terms of Use

Terms of Use#

Last updated: July 21, 2026

Welcome to simuecon.com (“the Site”), an educational platform providing an interactive econometrics textbook and simulations. By accessing or using the Site, you agree to these Terms of Use.

1. About the Site#

simuecon.com is operated by Beta Sigma Firm LLC, a Delaware limited liability company (“we,” “us,” or “our”). The textbook content and simulations are authored by Ricardo A. Pasquini, who holds copyright personally and licenses it to us for operation of the Site (see Section 5).

2. Access Tiers#

Free access: Certain chapters and simulations are available at no cost to all visitors.

Basic access — Annual (default): A one-time payment grants access to a defined set of chapters and simulations, excluding Professional/industry content, for a 12-month term from the date of purchase. Access ends automatically at the end of the term; your payment method is not charged automatically to continue. You may purchase a new term, or upgrade to Indefinite access, at the pricing then in effect.

Basic access — Indefinite (upsell): A one-time payment at a higher price grants indefinite access (see Section 10) to the same content, for as long as we continue to operate the Basic tier.

Basic access, in either form, may be offered at a promotional “early access” price for a limited time; the promotional price does not affect the terms of access.

Institutional access: Users affiliated with partner institutions receive complimentary, indefinite access based on their verified institutional email address, for as long as that affiliation remains verified. Intended for educators; institutions may request coupon codes (see below) to extend discounted access to their students.

Coupon access: Users who redeem a valid coupon code receive discounted, time-limited access for the duration specified at the time of redemption (e.g., aligned to a course term).

Professional access (planned): Subscription access to industry-focused content and ongoing updates. Not yet available.

Access under any tier is personal, non-transferable, and non-shareable.

3. Accounts#

You are responsible for maintaining the confidentiality of your account credentials. You must not share your account with others. We reserve the right to suspend or terminate accounts that violate these Terms.

4. Payments and Refunds#

All payments are processed securely by Stripe. Prices are displayed in USD unless otherwise stated.

Refunds: We offer refunds requested within 14 days of purchase, at our discretion. To request a refund, contact us at the address in Section 11.

EU consumers: If you are purchasing from within the European Union, you have a statutory right to withdraw from this purchase within 14 days without giving a reason. Because our content is a digital product delivered immediately upon purchase, by completing checkout you expressly consent to immediate access and acknowledge that this waives your withdrawal right once access has begun, as permitted under EU consumer law.

5. Intellectual Property#

All textbook content, simulations, code, and materials on this Site are © 2023–2026 Ricardo A. Pasquini. All rights reserved. Copyright is held personally by Ricardo A. Pasquini and licensed to Beta Sigma Firm LLC for operation of the Site; it is not assigned to the LLC.

You may not reproduce, distribute, modify, or create derivative works from any content on this Site without prior written permission.

Academic use: educators may quote or cite short excerpts with proper attribution, consistent with fair use principles.

We actively monitor for unauthorized use of this content and reserve the right to pursue its removal — including DMCA takedown notices to hosting providers and platforms — and other legal remedies against infringing copies, wherever they are found.

6. Permitted Use#

The Site and its content are provided for personal, non-commercial educational use only. You may not:

Copy or redistribute paid content
Use automated tools to scrape or download content
Attempt to circumvent access controls
Resell or sublicense access

7. Disclaimer of Warranties#

The Site and its content are provided “as is” without warranties of any kind. We do not guarantee that the Site will be available at all times or that content is free from errors.

The textbook is educational material. It does not constitute professional financial, economic, or legal advice.

8. Limitation of Liability#

To the maximum extent permitted by applicable law, Beta Sigma Firm LLC and Ricardo A. Pasquini shall not be liable for any indirect, incidental, or consequential damages arising from your use of the Site.

9. Governing Law#

These Terms are governed by the laws of the State of Delaware, USA, without regard to conflict-of-law principles. Any dispute arising under these Terms shall be resolved in the state or federal courts located in Delaware, and you consent to that venue.

This clause does not limit any mandatory consumer-protection rights you may have under the law of your own country of residence, which may apply regardless of this governing-law clause.

10. Changes to Tiers, Pricing, and These Terms#

Content and tiers. We may modify, add to, discontinue, or reclassify content and tiers at any time. For purchases described as “indefinite” or “lifetime” access, this means continued access to the content included in that tier at the time of your purchase, for as long as we continue to operate that tier — it does not entitle you to content later added to a different or newly created tier.

Discontinuation. If we discontinue a tier you hold indefinite access to, or discontinue the Site entirely, we will provide at least 60 days’ notice by email to the address on your account.

Term expiration (non-renewing tiers). Basic Annual access and coupon-based access expire automatically at the end of their stated term. We do not charge your payment method automatically to continue access after expiration. We will make reasonable efforts to email you before expiration, but continued access requires a new purchase — of a new term, or an upgrade to Indefinite access — at the pricing then in effect.

Pricing and subscription renewals. Prices for new purchases may change at any time and do not retroactively apply to completed purchases already paid for. If we offer subscription-based access that renews and charges automatically (e.g., a future Professional tier), we will disclose the auto-renewal terms clearly before purchase, provide advance notice before any price change applies to a renewal, and provide an easy, self-service way to cancel before the next charge.

These Terms. We may update these Terms from time to time. Continued use of the Site after changes constitutes acceptance of the revised Terms. Material changes will be reflected in an updated “Last updated” date and, where practical, communicated by email.

11. Contact#

For questions about these Terms, contact: admin@simuecon.com

If you believe our content has been copied or republished without authorization elsewhere, please report it to the same address.