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Santa Ana College

ECON121 - Principles/Micro

C-ID: ECON201

Course Description

Introduction to microeconomics, including basic economic concepts, analysis of markets, efficiency, consumer and firm behavior, industry structures, market failure, and resource markets. For economics, business, and certain engineering and computer science majors. Prerequisites: Elementary Algebra or equivalent, or a qualifying profile based on multiple measures.

Prerequisites:

Transfer Information

Set your college to see transfer options.

Tuition & Fees

Tuition and mandatory fees only. Financial aid may apply. Please contact your local Financial Aid Office for details.

Location

Online

Units

3.0 semester units

Badges

Course Sections

Winter 2026 - Semester

Jan 5 to Feb 1
section: ECON-121-69367
Format:
Time: TBA
Professor(s): Wang, Wei-Chung
Live Seat Count: 4 available seats - (about 3 hours ago)
Section notes:
Fully Online Instruction. Students are required to log in to Canvas by the first day of class for detailed information and required course work. https://canvas.sac.edu There will be no instructional meetings.*** Additional Section Dates *** Last Date to Add (add authorization required) : January 6, 2026. Last Drop Date with W grade: January 25, 2026. Last Drop Date without W grade: January 6, 2026. Last Date to get Refund: January 6, 2026
Seat availability is low, please wait.
Jan 5 to Feb 1
section: ECON-121-69359
Format:
Time: TBA
Professor(s): Levine, Michael D.
Live Seat Count: 0 available seats - (about 3 hours ago)
Section notes:
Fully Online Instruction. Students are required to log in to Canvas by the first day of class for detailed information and required course work. https://canvas.sac.edu There will be no instructional meetings.*** Additional Section Dates *** Last Date to Add (add authorization required) : January 6, 2026. Last Drop Date with W grade: January 25, 2026. Last Drop Date without W grade: January 6, 2026. Last Date to get Refund: January 6, 2026
Section Full
Jan 5 to Feb 1
section: ECON-121-69361
Format:
Time: TBA
Professor(s): Levine, Michael D.
Live Seat Count: 0 available seats - (about 3 hours ago)
Section notes:
Fully Online Instruction. Students are required to log in to Canvas by the first day of class for detailed information and required course work. https://canvas.sac.edu There will be no instructional meetings.*** Additional Section Dates *** Last Date to Add (add authorization required) : January 6, 2026. Last Drop Date with W grade: January 25, 2026. Last Drop Date without W grade: January 6, 2026. Last Date to get Refund: January 6, 2026
Section Full

Spring 2026 - Semester

Feb 9 to Jun 7
section: ECON-121-73137
Format:
Time: TBA
Professor(s): Ames, Travis J.
Live Seat Count: 30 available seats - (about 3 hours ago)
Section notes:
Fully Online Instruction. Students are required to log in to Canvas by the first day of class for detailed information and required course work. https://canvas.sac.edu There will be no instructional meetings.*** Additional Section Dates *** Last Date to Add (add authorization required) : February 22, 2026. Last Drop Date with W grade: May 10, 2026. Last Drop Date without W grade: February 22, 2026. Last Date to get Refund: February 22, 2026
Open
Feb 9 to Apr 5
section: ECON-121-73132
Format:
Time: TBA
Professor(s): Levine, Michael D.
Live Seat Count: 0 available seats - (about 3 hours ago)
Section notes:
Fully Online Instruction. Students are required to log in to Canvas by the first day of class for detailed information and required course work. https://canvas.sac.edu There will be no instructional meetings. Your instructor has elected to use no-cost Open Educational Resources (OER) course materials for this course. There is no additional textbook cost for this ZTC class.*** Additional Section Dates *** Last Date to Add (add authorization required) : February 18, 2026. Last Drop Date with W grade: March 22, 2026. Last Drop Date without W grade: February 18, 2026. Last Date to get Refund: February 18, 2026
Section Full
Feb 9 to Apr 5
section: ECON-121-73135
Format:
Time: TBA
Professor(s): Levine, Michael D.
Live Seat Count: 19 available seats - (about 3 hours ago)
Section notes:
Fully Online Instruction. Students are required to log in to Canvas by the first day of class for detailed information and required course work. https://canvas.sac.edu There will be no instructional meetings. Your instructor has elected to use no-cost Open Educational Resources (OER) course materials for this course. There is no additional textbook cost for this ZTC class.*** Additional Section Dates *** Last Date to Add (add authorization required) : February 18, 2026. Last Drop Date with W grade: March 22, 2026. Last Drop Date without W grade: February 18, 2026. Last Date to get Refund: February 18, 2026
Open
Apr 13 to Jun 7
section: ECON-121-73139
Format:
Time: TBA
Professor(s): Allen, Mason A.
Live Seat Count: 29 available seats - (about 3 hours ago)
Section notes:
Fully Online Instruction. Students are required to log in to Canvas by the first day of class for detailed information and required course work. https://canvas.sac.edu There will be no instructional meetings. Your instructor has elected to use no-cost Open Educational Resources (OER) course materials for this course. There is no additional textbook cost for this ZTC class.*** Additional Section Dates *** Last Date to Add (add authorization required) : April 22, 2026. Last Drop Date with W grade: May 24, 2026. Last Drop Date without W grade: April 22, 2026. Last Date to get Refund: April 22, 2026
Open
Feb 23 to Jun 7
section: ECON-121-73138
Format:
Time: TBA
Professor(s): Allen, Mason A.
Live Seat Count: 37 available seats - (about 3 hours ago)
Section notes:
Fully Online Instruction. Students are required to log in to Canvas by the first day of class for detailed information and required course work. https://canvas.sac.edu There will be no instructional meetings. Your instructor has elected to use no-cost Open Educational Resources (OER) course materials for this course. There is no additional textbook cost for this ZTC class.*** Additional Section Dates *** Last Date to Add (add authorization required) : March 14, 2026. Last Drop Date with W grade: May 12, 2026. Last Drop Date without W grade: March 14, 2026. Last Date to get Refund: March 14, 2026
Open

Summer 2025 - Semester

Jul 14 to Aug 10
section: ECON-121-70002
Format:
Time: TBA
Professor(s): Wang, Wei-Chung
Live Seat Count: 0 available seats - (4 months ago)
Section notes:
Fully Online Instruction. Students are required to log in to Canvas by the first day of class for detailed information and required course work. https://canvas.sac.edu There will be no instructional meetings.*** Additional Section Dates *** Last Date to Add (add authorization required) : July 18, 2025. Last Drop Date with W grade: August 3, 2025. Last Drop Date without W grade: July 18, 2025. Last Date to get Refund: July 18, 2025
Already Started

Fall 2025 - Semester

Aug 18 to Oct 12
section: ECON-121-60594
Format:
Time: TBA
Professor(s): Levine, Michael D.
Live Seat Count: 0 available seats - (1 day ago)
Section notes:
Fully Online Instruction. Students are required to log in to Canvas by the first day of class for detailed information and required course work. https://canvas.sac.edu There will be no instructional meetings. There is no additional textbook cost for this ZTC class.*** Additional Section Dates *** Last Date to Add (add authorization required) : August 27, 2025. Last Drop Date with W grade: September 28, 2025. Last Drop Date without W grade: August 27, 2025. Last Date to get Refund: August 27, 2025
Already Started
Oct 13 to Dec 7
section: ECON-121-60600
Format:
Time: TBA
Professor(s): Wang, Wei-Chung
Live Seat Count: 0 available seats - (1 day ago)
Section notes:
Fully Online Instruction. Students are required to log in to Canvas by the first day of class for detailed information and required course work. https://canvas.sac.edu There will be no instructional meetings. There is no additional textbook cost for this ZTC class.*** Additional Section Dates *** Last Date to Add (add authorization required) : October 22, 2025. Last Drop Date with W grade: November 23, 2025. Last Drop Date without W grade: October 22, 2025. Last Date to get Refund: October 22, 2025
Already Started
Aug 18 to Oct 12
section: ECON-121-60595
Format:
Time: TBA
Professor(s): Levine, Michael D.
Live Seat Count: 0 available seats - (1 day ago)
Section notes:
Fully Online Instruction. Students are required to log in to Canvas by the first day of class for detailed information and required course work. https://canvas.sac.edu There will be no instructional meetings. There is no additional textbook cost for this ZTC class.*** Additional Section Dates *** Last Date to Add (add authorization required) : August 27, 2025. Last Drop Date with W grade: September 28, 2025. Last Drop Date without W grade: August 27, 2025. Last Date to get Refund: August 27, 2025
Already Started
Sep 1 to Dec 7
section: ECON-121-60597
Format:
Time: TBA
Professor(s): Allen, Mason A.
Live Seat Count: 0 available seats - (1 day ago)
Section notes:
Fully Online Instruction. Students are required to log in to Canvas by the first day of class for detailed information and required course work. https://canvas.sac.edu There will be no instructional meetings. There is no additional textbook cost for this ZTC class.*** Additional Section Dates *** Last Date to Add (add authorization required) : September 19, 2025. Last Drop Date with W grade: November 13, 2025. Last Drop Date without W grade: September 19, 2025. Last Date to get Refund: September 19, 2025
Already Started
Aug 18 to Dec 7
section: ECON-121-60599
Format:
Time: TBA
Professor(s): Allen, Mason A.
Live Seat Count: 6 available seats - (1 day ago)
Section notes:
Fully Online Instruction. Students are required to log in to Canvas by the first day of class for detailed information and required course work. https://canvas.sac.edu There will be no instructional meetings. There is no additional textbook cost for this ZTC class.*** Additional Section Dates *** Last Date to Add (add authorization required) : September 1, 2025. Last Drop Date with W grade: November 9, 2025. Last Drop Date without W grade: September 1, 2025. Last Date to get Refund: September 1, 2025
Already Started