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   <subfield code="a">Cuốn sách này ra đời nhằm giúp cho những nhà nghiên cứu, học viên thạc sĩ, nghiên cứu sinh có thêm tài liệu tiếp cận phương pháp nghiên cứu định lượng trong lĩnh vực kinh tế phát triển và kinh tế nông nghiệp. Phương pháp nghiên cứu định lượng khác với nghiên cứu định tính ở chỗ dữ liệu được dùng để khám phá bản chất của các hiện tượng kinh tế. Dựa trên những dữ liệu thu thập, các công cụ thống kê, mô hình kinh tế lượng được sử dụng nhằm tìm hiểu bản chất của hiện tượng và mang tính khái quát cho số đông nghiên cứu. Đôi lúc chúng ta thường ngộ nhận, tiếp cận định lượng là phải dùng các mô hình kinh tế lượng. Điều này đúng nhưng chưa đủ! Mô hình định lượng được hình thành trên những nền tảng lý thuyết kinh tế học nào? Thiếu kiến thức này sẽ không thể có mô hình định lượng. Có lý thuyết, mô hình định lượng nhưng nếu thiếu kỹ năng sử dụng các phần mềm thống kê thì nhà nghiên cứu cũng khó có thể tiếp cận được phương pháp định lượng theo đúng bản chất của nó. Dựa trên quan điểm xuyên suốt này, tác giả nỗ lực biên soạn theo hướng mỗi mô hình ứng dụng trong kinh tế được trình bày trên bốn khía cạnh: (1) Luận cứ khoa học của mô hình; (2) Mô hình định lượng cụ thể và thích hợp được lựa chọn; (3) Sử dụng phần mềm thống kê để vận hành mô hình; và (4) Tình huống cụ thể cho người đọc tự ứng dụng. Trong cuốn sách này, tác giả sử dụng phần mềm SPSS phiên bản 18.0 để hướng dẫn xử lý dữ liệu và kèm CD phụ lục dữ liệu cho phân tích.</subfield>
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